Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Due to: Police incident.
Status : Cleared.
Nearest town: 18.19 miles from Letchworth.

Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lane one is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 21:00 and 21:15 on 13 March 2026.
Normal traffic conditions are expected between 21:00 and 21:15 on 13 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.55 miles from Letchworth.

Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 20:45 and 21:00 on 13 March 2026.
Normal traffic conditions are expected between 21:15 and 21:30 on 13 March 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 19.43 miles from Letchworth.

Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Due to: Broken down vehicle.
Status : Cleared.
Nearest town: 19.91 miles from Letchworth.

Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lane one is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 17:45 and 18:00 on 13 March 2026.
Normal traffic conditions are expected between 18:45 and 19:00 on 13 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.59 miles from Letchworth.

Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Due to: Congestion.
Normal traffic conditions are expected between 21:15 and 21:30 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by an earlier police incident.
Nearest town: 18.2 miles from Letchworth.

Location: clockwise between junctions J22 (St Albans) and J23 (Hatfield) .
Due to: Congestion.
Normal traffic conditions are expected between 20:30 and 20:45 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.19 miles from Letchworth.

Location: southbound at the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 19:15 and 19:30 on 13 March 2026.
Nearest town: 15.94 miles from Letchworth.

Location: anticlockwise exit slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.63 miles from Letchworth.

Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 13 March 2026.
Nearest town: 16.97 miles from Letchworth.

Location: anticlockwise exit slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 13 March 2026.
Nearest town: 18.63 miles from Letchworth.

Location: anticlockwise exit slip at junction J24 (Potters Bar) .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 13 March 2026.
Nearest town: 19.42 miles from Letchworth.

Location: southbound between the M25 and the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 13 March 2026.
Nearest town: 19.4 miles from Letchworth.

Location: anticlockwise entry slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.65 miles from Letchworth.

Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 13 March 2026.
Nearest town: 16.97 miles from Letchworth.

Location: southbound between the A4146 South and the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.09 miles from Letchworth.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 13 March 2026.
Nearest town: 15.82 miles from Letchworth.

Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.41 miles from Letchworth.

Location: anticlockwise at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.51 miles from Letchworth.

Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Due to: Congestion.
Normal traffic conditions are expected between 20:00 and 20:15 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by the earlier broken down vehicle.
Nearest town: 19.56 miles from Letchworth.

Location: anticlockwise exit slip at junction J24 (Potters Bar) .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.42 miles from Letchworth.

Location: southbound between the A428 and the junction with the A421 .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 16.08 miles from Letchworth.

Location: The A1M northbound at junction J10 .
Due to: Congestion.
Normal traffic conditions are expected between 16:45 and 17:00 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 3.2 miles from Letchworth.

Location: northbound between the junctions with the A507 and the A6001 Biggleswade South .
Due to: Congestion.
Normal traffic conditions are expected between 17:15 and 17:30 on 13 March 2026.
Delay : There are currently delays of 15 minutes against expected traffic.
Nearest town: 4.44 miles from Letchworth.

Location: southbound at the junction with the M1 J13.
Due to: Congestion.
Normal traffic conditions are expected between 16:15 and 16:30 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.14 miles from Letchworth.

Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Due to: Roadworks.
Period : from 22:06 on 13 March 2026 to 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.66 miles from Letchworth.

Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Due to: Roadworks.
Period : from 21:58 on 13 March 2026 to 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.02 miles from Letchworth.

Location: southbound between the A428 and the junction with the A603 .
Due to: Roadworks.
Period : from 21:08 on 13 March 2026 to 04:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.65 miles from Letchworth.

Location: southbound between the junctions with the A603 and the A6 Bedford central.
Due to: Roadworks.
Period : from 20:25 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.06 miles from Letchworth.

Location: northbound between the A6 Bedford south and the junction with the A603 .
Due to: Roadworks.
Period : from 20:25 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.27 miles from Letchworth.

Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 05:30 on 14 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.33 miles from Letchworth.

Location: southbound exit slip to the A6 Bedford south.
Lane Closures : Lane two is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.29 miles from Letchworth.

Location: southbound between the junctions with the A6 Bedford central and the A6 Bedford south.
Lane Closures : Lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 14.84 miles from Letchworth.

Location: southbound at the junction with the A6 Bedford south .
Due to: Emergency barrier repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.29 miles from Letchworth.

Location: southbound exit slip at junction J12 (Flitwick) .
Due to: Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.99 miles from Letchworth.

Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Due to: Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.94 miles from Letchworth.

Location: southbound at junction J13 (Milton Keynes) .
Due to: Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.36 miles from Letchworth.

Location: The A1M northbound between junctions J6 and J7 .
Due to: Roadworks scheme.
Period : from 21:03 on 13 March 2026 to 05:00 on 21 March 2026.
Nearest town: 7.59 miles from Letchworth.

Location: southbound between junctions J8 (Bishops Stortford) and J7A .
Lane Closures : Lane three is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 18.81 miles from Letchworth.

Location: northbound between junctions J7A and J8 (Bishops Stortford) .
Lane Closures : Lane three is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 18.88 miles from Letchworth.

Location: northbound at junction J8 (Bishops Stortford) .
Lane Closures : Lane three is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.77 miles from Letchworth.

Location: southbound between the junctions with the M25 and the A5135 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.65 miles from Letchworth.

Location: The A1M southbound at junction J1 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.1 miles from Letchworth.

Location: The A1M southbound between junctions J3 and J1 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.15 miles from Letchworth.

Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.5 miles from Letchworth.

Location: southbound exit slip at junction J8 (Hemel Hstead) .
Lane Closures : Lane two is closed.
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.23 miles from Letchworth.

Location: eastbound between the M11 and the junction with the A131 South.
Lane Closures : Lanes 1 and 2 are closed.
Due to: Emergency Roadside Drains works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.72 miles from Letchworth.

Location: westbound between the A130 and the junction with the M11 .
Due to: Emergency Roadside Drains works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.84 miles from Letchworth.

Location: northbound between the A428 and the junction with the A14 .
Lane Closures : Lane two is closed.
Due to: Horticultural works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.18 miles from Letchworth.

Location: southbound exit slip to the A6 Bedford south.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.29 miles from Letchworth.

Location: northbound entry slip from the A6 Bedford south.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.52 miles from Letchworth.

Location: southbound between the junctions with the A6 Bedford central and the A6 Bedford south.
Lane Closures : Lane one is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 14.95 miles from Letchworth.

Location: northbound between the M1 and the junction with the A6 Bedford central.
Lane Closures : Lane one is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.39 miles from Letchworth.

Location: southbound at the junction with the A6 Bedford south .
Lane Closures : Lane one is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.29 miles from Letchworth.

Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.43 miles from Letchworth.

Location: northbound between the A507 and the junction with the A6001 Biggleswade South .
Lane Closures : Lane two is closed.
Due to: Horticultural works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 4.96 miles from Letchworth.

Location: southbound between the A6001 Biggleswade South and the junction with the A507 .
Lane Closures : Lane two is closed.
Due to: Horticultural works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 6.67 miles from Letchworth.

Location: clockwise at junction J23 (Hatfield) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.16 miles from Letchworth.

Location: clockwise between junctions J22 (St Albans) and J23 (Hatfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.4 miles from Letchworth.

Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.61 miles from Letchworth.

Location: northbound between junctions J9 (Dunstable A5) and J11A .
Due to: Roadside Equipment Maintenance.
Period : from 15:26 on 4 March 2026 to 05:00 on 19 March 2026.
Nearest town: 13.49 miles from Letchworth.

Location: southbound between the A428 and the junction with the A603 .
Due to: Roadworks scheme.
Period : from 21:02 on 13 March 2026 to 04:00 on 13 April 2026.
Nearest town: 16.82 miles from Letchworth.

Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.11 miles from Letchworth.

Location: anticlockwise at junction J23 (Hatfield) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.41 miles from Letchworth.

Location: The A1M northbound exit slip at junction J9 .
Due to: Roadworks scheme.
Period : from 21:00 on 11 March 2026 to 05:00 on 17 March 2026.
Nearest town: 9.2 miles from Letchworth.

Location: The A1M southbound between junctions J9 and J6 .
Due to: Roadworks scheme.
Period : from 21:02 on 9 March 2026 to 05:00 on 18 March 2026.
Nearest town: 0.64 miles from Letchworth.

Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Lane Closures : Lane three is closed.
Due to: Emergency roadworks.
Period : from 13:42 on 21 February 2026 to 12:00 on 24 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 13.87 miles from Letchworth.

Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : Lane three is closed.
Due to: Emergency roadworks.
Period : from 13:35 on 21 February 2026 to 12:00 on 24 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 15.69 miles from Letchworth.

Location: westbound between the M11 and the junction with the A1198 .
Due to: Roadworks scheme.
Period : from 13:51 on 4 February 2026 to 06:00 on 4 January 2027.
Nearest town: 18.87 miles from Letchworth.

Location: westbound between the M11 and the junction with the A1198 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 4 January 2027.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.87 miles from Letchworth.

Location: eastbound between the junctions with the A1198 and the M11 .
Due to: Roadworks.
Period : from 13:51 on 4 February 2026 to 06:00 on 4 January 2027.
Nearest town: 18.76 miles from Letchworth.

Location: westbound between the junctions with the A1198 and the A1 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 4 January 2027.
Nearest town: 18.73 miles from Letchworth.

Location: eastbound between the junctions with the A1 and the A1198 .
Due to: Roadworks scheme.
Period : from 13:51 on 4 February 2026 to 06:00 on 4 January 2027.
Nearest town: 18.73 miles from Letchworth.

Location: eastbound between the junctions with the A1 and the A1198 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 4 January 2027.
Nearest town: 18.73 miles from Letchworth.

Location: northbound between junctions J7A and J8 (Bishops Stortford) .
Due to: Roadworks scheme.
Period : from 21:00 on 13 March 2026 to 05:00 on 26 March 2026.
Nearest town: 19.05 miles from Letchworth.

Location: westbound between the M11 and the junction with the A1198 .
Due to: Roadworks scheme.
Period : from 20:00 on 27 February 2026 to 06:00 on 26 April 2026.
Nearest town: 18.9 miles from Letchworth.

Location: eastbound between the junctions with the A1 and the A1198 .
Due to: Roadworks scheme.
Period : from 20:00 on 27 February 2026 to 06:00 on 26 April 2026.
Nearest town: 18.06 miles from Letchworth.

Location: southbound between the A1 and the junction with the M1 .
Due to: Roadworks scheme.
Period : from 20:00 on 13 March 2026 to 06:00 on 30 March 2026.
Nearest town: 15.05 miles from Letchworth.

Location: northbound between the M1 and the junction with the A4280 .
Due to: Roadworks scheme.
Period : from 20:00 on 13 March 2026 to 06:00 on 24 March 2026.
Nearest town: 15.38 miles from Letchworth.

Location: northbound between the junctions with the A4280 and the A1 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 23:59 on 31 March 2027.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.29 miles from Letchworth.

Location: The A1M southbound between junctions J8 and J7 .
Lane Closures : The hard shoulder is closed.
Due to: Bridge repairs.
Period : expect disruption until 21:00 on 8 October 2026.
Nearest town: 2.84 miles from Letchworth.

Location: The A1M northbound between junctions J7 and J8 .
Lane Closures : The hard shoulder is closed.
Due to: Bridge repairs.
Period : expect disruption until 21:00 on 8 October 2026.
Nearest town: 3.09 miles from Letchworth.

Location: northbound at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 12.07 miles from Letchworth.

Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.98 miles from Letchworth.

Location: northbound between junctions J10 (Saffron Walden) and J11 (Royston) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.32 miles from Letchworth.

Location: southbound between junctions J11 (Royston) and J10 (Saffron Walden) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.77 miles from Letchworth.

Location: northbound at junction J8A (Stansted) .
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 24 March 2026 to 26 March 2026.
Nearest town: 18.9 miles from Letchworth.

Location: southbound at junction J8 (Bishops Stortford) .
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 19 March 2026 to 20 March 2026.
Schedule : From 09:30 on 23 March 2026 to 15:30 on 23 March 2026.
Nearest town: 18.91 miles from Letchworth.

Location: northbound between junctions J8A (Stansted) and J10 (Saffron Walden) .
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : From 09:30 on 27 March 2026 to 15:30 on 27 March 2026.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 30 March 2026 to 31 March 2026.
Nearest town: 17.89 miles from Letchworth.

Location: southbound between junctions J10 (Saffron Walden) and J8 (Bishops Stortford) .
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 16 March 2026 to 18 March 2026.
Nearest town: 18.14 miles from Letchworth.

Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.97 miles from Letchworth.

Location: southbound between junctions J8 (Bishops Stortford) and J7A .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 05:00 on 24 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.87 miles from Letchworth.

Location: southbound at junction J8 (Bishops Stortford) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 05:00 on 24 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.91 miles from Letchworth.

Location: southbound between junctions J8 (Bishops Stortford) and J6 (Hatfield) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 05:00 on 24 March 2026.
Nearest town: 18.91 miles from Letchworth.

Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 23 March 2026 to 05:30 on 24 March 2026.
Schedule : From 22:00 on 26 March 2026 to 05:30 on 27 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.2 miles from Letchworth.

Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 23 March 2026 to 05:30 on 24 March 2026.
Schedule : From 22:00 on 26 March 2026 to 05:30 on 27 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.33 miles from Letchworth.

Location: southbound between junctions J8 (Bishops Stortford) and J7A .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 05:00 on 20 March 2026.
Nearest town: 18.97 miles from Letchworth.

Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.03 miles from Letchworth.

Location: northbound entry slip from the A6 Bedford south.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.52 miles from Letchworth.

Location: southbound between the A600 and the junction with the A6 Bedford south.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.91 miles from Letchworth.

Location: southbound exit slip to the A6 Bedford south.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 25 March 2026.
Schedule : From 20:00 on 28 March 2026 to 06:00 on 29 March 2026.
Schedule : From 20:00 on 29 March 2026 to 06:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.29 miles from Letchworth.

Location: southbound between the A6 Bedford central and the junction with the M1 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 25 March 2026.
Schedule : From 20:00 on 28 March 2026 to 06:00 on 29 March 2026.
Schedule : From 20:00 on 29 March 2026 to 06:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.68 miles from Letchworth.

Location: northbound entry slip from the A6 Bedford central.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.71 miles from Letchworth.

Location: northbound exit slip to the A6 Bedford central.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.85 miles from Letchworth.

Location: northbound between the M1 and the junction with the A4280 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.49 miles from Letchworth.

Location: southbound exit slip to the A6 Bedford central.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.58 miles from Letchworth.

Location: southbound between the junctions with the A603 and the A6 Bedford central.
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 25 March 2026.
Schedule : From 20:00 on 28 March 2026 to 06:00 on 29 March 2026.
Schedule : From 20:00 on 29 March 2026 to 06:00 on 30 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.16 miles from Letchworth.

Location: northbound entry slip from the A603 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : From 20:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.93 miles from Letchworth.

Location: northbound exit slip to the A603 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.86 miles from Letchworth.

Location: northbound exit slip to the A600 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.02 miles from Letchworth.

Location: southbound between the junctions with the A4280 and the A603 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.32 miles from Letchworth.

Location: northbound between the A6 Bedford central and the junction with the A603 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : From 20:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.26 miles from Letchworth.

Location: southbound between the A4280 and the junction with the A603 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14 miles from Letchworth.

Location: southbound exit slip to the A603 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.95 miles from Letchworth.

Location: southbound between the A603 and the junction with the A6 Bedford central.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 25 March 2026.
Schedule : From 20:00 on 28 March 2026 to 06:00 on 29 March 2026.
Schedule : From 20:00 on 29 March 2026 to 06:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.55 miles from Letchworth.

Location: southbound between the A603 and the junction with the A600 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.85 miles from Letchworth.

Location: northbound exit slip to the A4280 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : From 20:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.62 miles from Letchworth.

Location: southbound exit slip to the A4280 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.71 miles from Letchworth.

Location: southbound between the A1 and the junction with the A4280 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.09 miles from Letchworth.

Location: northbound between the A600 and the junction with the A4280 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : From 20:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.87 miles from Letchworth.

Location: northbound between the junctions with the M1 and the A6 Bedford south.
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.5 miles from Letchworth.

Location: southbound between junctions J14 (Milton Keynes) and J13 (Milton Keynes) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.92 miles from Letchworth.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.33 miles from Letchworth.

Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 19 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 26 March 2026 to 28 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.25 miles from Letchworth.

Location: northbound between junctions J9 (Dunstable A5) and J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 19 March 2026 to 15:30 on 19 March 2026.
Nearest town: 13.15 miles from Letchworth.

Location: northbound between junctions J9 (Dunstable A5) and J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 19 March 2026 to 15:30 on 19 March 2026.
Nearest town: 12.54 miles from Letchworth.

Location: northbound between junctions J7A and J8 (Bishops Stortford) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.15 miles from Letchworth.

Location: southbound between the junctions with the A603 and the A6001 Biggleswade North.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.17 miles from Letchworth.

Location: northbound between the junctions with the A6001 Biggleswade South and the A6001 Biggleswade North.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.83 miles from Letchworth.

Location: southbound between junctions J10 (Saffron Walden) and J9 (Newmarket) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 18 March 2026 to 23 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.62 miles from Letchworth.

Location: northbound between junctions J9 (Newmarket) and J10 (Saffron Walden) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 18 March 2026 to 23 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.71 miles from Letchworth.

Location: eastbound between the junctions with the A1198 and the M11 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.22 miles from Letchworth.

Location: westbound between the junctions with the M11 and the A1198 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.45 miles from Letchworth.

Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.96 miles from Letchworth.

Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 7.59 miles from Letchworth.

Location: southbound between junctions J8 (Bishops Stortford) and J7A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 26 March 2026 to 05:00 on 27 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.78 miles from Letchworth.

Location: southbound between junctions J8 (Bishops Stortford) and J7 (Chelmsford) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 14 March 2026 to 05:00 on 15 March 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.89 miles from Letchworth.

Location: southbound entry slip at junction J9 (Newmarket) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.63 miles from Letchworth.

Location: southbound between junctions J9 (Newmarket) and J8 (Bishops Stortford) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 2 April 2026.
Nearest town: 18.63 miles from Letchworth.

Location: southbound between junctions J10 (Saffron Walden) and J8 (Bishops Stortford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 30 March 2026 to 2 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.14 miles from Letchworth.

Location: southbound between junctions J10 (Saffron Walden) and J8 (Bishops Stortford) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 March 2026 to 05:00 on 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.14 miles from Letchworth.

Location: northbound between junctions J8A (Stansted) and J10 (Saffron Walden) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 March 2026 to 05:00 on 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.9 miles from Letchworth.

Location: northbound between the A421 and the junction with the A428 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.54 miles from Letchworth.

Location: northbound between the A428 and the junction with the A14 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.82 miles from Letchworth.

Location: northbound.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.93 miles from Letchworth.

Location: northbound exit slip to the A428 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.49 miles from Letchworth.

Location: northbound between the junctions with the A603 and the A4280 .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.54 miles from Letchworth.

Location: northbound.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.98 miles from Letchworth.

Location: northbound between the A603 and the junction with the A421 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.55 miles from Letchworth.

Location: northbound between the A4280 and the junction with the A1 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.7 miles from Letchworth.

Location: northbound.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.74 miles from Letchworth.

Location: northbound between the A603 and the junction with the A4280 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.6 miles from Letchworth.

Location: northbound between the A603 and the junction with the A421 .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 29 March 2026 to 05:00 on 30 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.32 miles from Letchworth.

Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.99 miles from Letchworth.

Location: southbound entry slip at junction J12 (Flitwick) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.73 miles from Letchworth.

Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.18 miles from Letchworth.

Location: northbound between junctions J8A (Stansted) and J10 (Saffron Walden) .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.97 miles from Letchworth.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.94 miles from Letchworth.

Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.5 miles from Letchworth.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 15.92 miles from Letchworth.

Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 12.87 miles from Letchworth.

Location: southbound exit slip at junction J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 13.08 miles from Letchworth.

Location: northbound between junctions J7A and J8 (Bishops Stortford) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.05 miles from Letchworth.

Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.11 miles from Letchworth.

Location: northbound at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 11.97 miles from Letchworth.

Location: northbound between junctions J10 (Luton Airport) and J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.81 miles from Letchworth.

Location: northbound exit slip at junction J11 (Luton) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.97 miles from Letchworth.

Location: northbound between junctions J10 (Saffron Walden) and J11 (Royston) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.64 miles from Letchworth.

Location: southbound between junctions J11 (Royston) and J10 (Saffron Walden) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.23 miles from Letchworth.

Location: southbound between junctions J10 (Saffron Walden) and J8 (Bishops Stortford) .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.47 miles from Letchworth.

Location: The A1M northbound between junctions J8 and J9 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 16 March 2026 to 21 March 2026.
Nearest town: 2.31 miles from Letchworth.

Location: The A1M southbound between junctions J9 and J8 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 16 March 2026 to 21 March 2026.
Nearest town: 1.75 miles from Letchworth.

Location: northbound between junctions J12 (Cambridge) and J14 (St Neots) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 16 March 2026 to 23 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.68 miles from Letchworth.

Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.04 miles from Letchworth.

Location: southbound at junction J11 (Royston) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 16 March 2026 to 20 March 2026.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 23 March 2026 to 27 March 2026.
Nearest town: 19.07 miles from Letchworth.

Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.94 miles from Letchworth.

Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.67 miles from Letchworth.

Location: northbound between junctions J5 (Harrow A41) and J6A (St Albans) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.92 miles from Letchworth.

Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.33 miles from Letchworth.

Location: clockwise at junction J23 (Hatfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.16 miles from Letchworth.

Location: clockwise between junctions J22 (St Albans) and J23 (Hatfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.87 miles from Letchworth.

Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 05:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:00 on 16 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.61 miles from Letchworth.

Location: southbound between junctions J10 (Saffron Walden) and J9 (Newmarket) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 14 March 2026 to 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.69 miles from Letchworth.

Location: northbound between the junctions with the A6001 Biggleswade South and the A6001 Biggleswade North.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.35 miles from Letchworth.

Location: northbound at the junction with the A6001 Biggleswade South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.31 miles from Letchworth.

Location: northbound between the junctions with the A507 and the A6001 Biggleswade South .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.91 miles from Letchworth.

Location: southbound between the junctions with the A6001 Biggleswade South and the A507 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.33 miles from Letchworth.

Location: southbound at the junction with the A6001 Biggleswade South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.36 miles from Letchworth.

Location: southbound between the junctions with the A6001 Biggleswade North and the A6001 Biggleswade South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.67 miles from Letchworth.

Location: northbound between the junctions with the A507 and the A6001 Biggleswade South .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 3.46 miles from Letchworth.

Location: southbound between the junctions with the A6001 Biggleswade South and the A507 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.57 miles from Letchworth.

Location: The A1M southbound at junction J10 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 3.45 miles from Letchworth.

Location: The A1M northbound at junction J10 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 3.21 miles from Letchworth.

Location: northbound between junctions J11A and J14 (Milton Keynes) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.17 miles from Letchworth.

Location: northbound between junctions J9 (Dunstable A5) and J11A .
Lane Closures : Lanes 1, 2, 3, 4 and 5 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.27 miles from Letchworth.

Location: southbound exit slip at junction J12 (Flitwick) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.99 miles from Letchworth.

Location: southbound exit slip at junction J13 (Milton Keynes) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.36 miles from Letchworth.

Location: southbound entry slip at junction J12 (Flitwick) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.73 miles from Letchworth.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.3 miles from Letchworth.

Location: northbound entry slip at junction J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.3 miles from Letchworth.

Location: northbound entry slip at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.93 miles from Letchworth.

Location: northbound exit slip at junction J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.87 miles from Letchworth.

Location: northbound exit slip at junction J11 (Luton) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.97 miles from Letchworth.

Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.97 miles from Letchworth.

Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.52 miles from Letchworth.

Location: northbound exit slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.07 miles from Letchworth.

Location: southbound exit slip at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.15 miles from Letchworth.

Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 21 March 2026 to 05:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.12 miles from Letchworth.

Location: southbound entry slip at Toddington Services.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.2 miles from Letchworth.

Location: southbound exit slip at Toddington Services.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.29 miles from Letchworth.

Location: southbound entry slip at junction J13 (Milton Keynes) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.94 miles from Letchworth.

Location: The A1M southbound at junction J9 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 0.64 miles from Letchworth.

Location: The A1M southbound between junctions J9 and J8 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 0.67 miles from Letchworth.

Location: The A1M southbound at junction J8 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.34 miles from Letchworth.

Location: westbound.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 March 2026 to 19:00 on 29 March 2026.
Schedule : From 21:00 on 25 April 2026 to 06:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.81 miles from Letchworth.

Location: westbound between the M11 and the junction with the A1198 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 March 2026 to 19:00 on 29 March 2026.
Schedule : From 21:00 on 25 April 2026 to 06:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.9 miles from Letchworth.

Location: eastbound between the A1198 and the junction with the M11 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 March 2026 to 19:00 on 29 March 2026.
Schedule : From 21:00 on 25 April 2026 to 06:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.76 miles from Letchworth.

Location: eastbound.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 March 2026 to 19:00 on 29 March 2026.
Schedule : From 21:00 on 25 April 2026 to 06:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.85 miles from Letchworth.

Location: westbound between the junctions with the A1198 and the A1 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.73 miles from Letchworth.

Location: westbound between the junctions with the A1198 and the A1 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 April 2026 to 06:00 on 13 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.73 miles from Letchworth.

Location: eastbound between the junctions with the A1 and the A1198 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.06 miles from Letchworth.

Location: eastbound between the junctions with the A1 and the A1198 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 April 2026 to 06:00 on 13 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.13 miles from Letchworth.

Location: southbound between the A14 and the junction with the A428 .
Due to: Roadworks.
Period : expect disruption until 04:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.12 miles from Letchworth.

Location: northbound exit slip to the A428 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 23 March 2026 to 25 March 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 26 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.49 miles from Letchworth.

Location: northbound between the A421 and the junction with the A14 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 23 March 2026 to 25 March 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 26 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.54 miles from Letchworth.

Location: southbound between the A428 and the junction with the A421 .
Due to: Roadworks.
Period : expect disruption until 04:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.82 miles from Letchworth.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 04:00 on 14 March 2026 to 21:00 on 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 23 March 2026 to 25 March 2026.
Schedule : From 21:00 on 26 March 2026 to 05:00 on 27 March 2026.
Schedule : From 21:00 on 27 March 2026 to 21:00 on 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.61 miles from Letchworth.

Location: southbound between the A421 and the junction with the A603 .
Due to: Roadworks.
Period : expect disruption until 04:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.48 miles from Letchworth.

Location: southbound.
Due to: Roadworks.
Period : expect disruption until 04:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.86 miles from Letchworth.

Location: northbound between the junctions with the A603 and the A421 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 04:00 on 14 March 2026 to 21:00 on 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 23 March 2026 to 25 March 2026.
Schedule : From 21:00 on 26 March 2026 to 05:00 on 27 March 2026.
Schedule : From 21:00 on 27 March 2026 to 21:00 on 28 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.13 miles from Letchworth.

Location: northbound between the junctions with the A603 and the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 04:00 on 14 March 2026 to 21:00 on 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 23 March 2026 to 25 March 2026.
Schedule : From 21:00 on 26 March 2026 to 05:00 on 27 March 2026.
Schedule : From 21:00 on 27 March 2026 to 21:00 on 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.55 miles from Letchworth.

Location: The A1M northbound exit slip at junction J9 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 0.62 miles from Letchworth.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.31 miles from Letchworth.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 18.34 miles from Letchworth.

Location: anticlockwise exit slip at junction J21 (M1) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.6 miles from Letchworth.

Location: northbound entry slip at junction J6A (St Albans) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.62 miles from Letchworth.

Location: northbound at junction J6 (Watford A405) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.33 miles from Letchworth.

Location: northbound.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 04:00 on 14 March 2026 to 21:00 on 28 March 2026.
Nearest town: 13.61 miles from Letchworth.
