Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Due to: Pedestrians in the road.
Time To Clear : The event is expected to clear between 01:15 and 01:30 on 16 April 2026.
Normal traffic conditions are expected between 01:15 and 01:30 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 6.17 miles from Great Gaddesden.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Road Management.
Time To Clear : The event is expected to clear between 01:15 and 01:30 on 16 April 2026.
Normal traffic conditions are expected between 01:15 and 01:30 on 16 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Lanes Closed : There are lane closures.
Nearest town: 6.45 miles from Great Gaddesden.
Location: eastbound between junctions J7 (Slough) and J6 (Slough) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 23:45 and 00:00 on 16 April 2026.
Normal traffic conditions are expected between 23:45 and 00:00 on 16 April 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.97 miles from Great Gaddesden.
Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 16.01 miles from Great Gaddesden.
Edgware Road West Hendon Broadway junction with Cool Oak Lane (All Directions).
There is a reported collision at this location.
All lanes are open.
Nearest town: 19.06 miles from Great Gaddesden.
Western Avenue (Eastbound) near the junction with Alperton Lane - Collision - Lane one reopened.
Traffic is flowing well for the time of day.
Nearest town: 19.93 miles from Great Gaddesden.
Watling Avenue (All Directions) at the junction of Orange Hill Road .
Traffic signals have been restored.
Traffic signals have been restored.
Nearest town: 16.98 miles from Great Gaddesden.
Forty Avenue (All Directions) at the junction of Preston Road.
Lane restrictions in place due to a collision.
The road has reopened.
Nearest town: 18.47 miles from Great Gaddesden.
Kymberley Road (One Way System) between Headstone Road and College Road - Road closure to facilitate resurfacing works
Nearest town: 16.41 miles from Great Gaddesden.
Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 00:45 and 01:00 on 16 April 2026.
Nearest town: 5 miles from Great Gaddesden.
Location: anticlockwise at junction J22 (St Albans) .
Due to: Congestion.
Normal traffic conditions are expected between 00:45 and 01:00 on 16 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 11.6 miles from Great Gaddesden.
Location: anticlockwise at junction J22 (St Albans) .
Due to: Congestion.
Normal traffic conditions are expected between 00:15 and 00:30 on 16 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 11.6 miles from Great Gaddesden.
Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 00:15 and 00:30 on 16 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 5 miles from Great Gaddesden.
Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 23:15 and 23:30 on 15 April 2026.
Nearest town: 4.84 miles from Great Gaddesden.
Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 22:30 and 22:45 on 15 April 2026.
Nearest town: 12.83 miles from Great Gaddesden.
Location: anticlockwise exit slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 22:15 and 22:30 on 15 April 2026.
Nearest town: 7.86 miles from Great Gaddesden.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 23:45 and 00:00 on 16 April 2026.
Cause : Road Management.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 6.56 miles from Great Gaddesden.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadworks.
Period : from 23:03 on 15 April 2026 to 05:00 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 4.81 miles from Great Gaddesden.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Due to: Roadworks.
Period : from 21:47 on 15 April 2026 to 05:30 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.39 miles from Great Gaddesden.
Location: southbound exit slip at junction J8 (Hemel Hstead) .
Due to: Roadworks.
Period : from 21:37 on 15 April 2026 to 05:00 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 4.95 miles from Great Gaddesden.
Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 April 2026 to 06:00 on 17 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.97 miles from Great Gaddesden.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : The hard shoulder is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:00 on 16 April 2026.
Nearest town: 15.26 miles from Great Gaddesden.
Location: The A1M northbound between junctions J4 and J6 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.63 miles from Great Gaddesden.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:00 on 17 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.69 miles from Great Gaddesden.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:00 on 17 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.66 miles from Great Gaddesden.
Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 17.26 miles from Great Gaddesden.
Location: anticlockwise exit slip at junction J24 (Potters Bar) .
Due to: Emergency barrier repairs.
Period : expect disruption until 05:00 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.82 miles from Great Gaddesden.
Location: southbound between junctions J11A and J11 (Luton) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:00 on 17 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.53 miles from Great Gaddesden.
Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:00 on 17 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.03 miles from Great Gaddesden.
Location: southbound at junction J2 (Beaconsfield) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.13 miles from Great Gaddesden.
Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 14.28 miles from Great Gaddesden.
Location: The A1M northbound exit slip at junction J3 .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.19 miles from Great Gaddesden.
Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:00 on 17 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.65 miles from Great Gaddesden.
Location: The A1M southbound entry slip at junction J6 .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.62 miles from Great Gaddesden.
Location: The A1M northbound between junctions J2 and J3 .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.6 miles from Great Gaddesden.
Location: The A1M southbound between junctions J6 and J4 .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 12.69 miles from Great Gaddesden.
Location: The A1M southbound exit slip at junction J4 .
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.84 miles from Great Gaddesden.
Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Lane Closures : The hard shoulder is closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 April 2026.
Nearest town: 15.14 miles from Great Gaddesden.
Location: anticlockwise exit slip at junction J21A (Watword) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 8.37 miles from Great Gaddesden.
Location: westbound exit slip to the A412 .
Lane Closures : Lane two is closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.81 miles from Great Gaddesden.
Location: southbound exit slip to the A421 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.15 miles from Great Gaddesden.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 16 April 2026 to 17 April 2026.
Schedule : From 09:30 on 20 April 2026 to 15:30 on 20 April 2026.
Nearest town: 4.83 miles from Great Gaddesden.
Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Due to: Roadworks scheme.
Period : from 22:00 on 15 April 2026 to 05:00 on 30 May 2026.
Nearest town: 5.07 miles from Great Gaddesden.
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: 16 miles from Great Gaddesden.
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: 15.76 miles from Great Gaddesden.
Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 22 April 2026 to 05:30 on 23 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.23 miles from Great Gaddesden.
Location: clockwise between junctions J17 (Maple Cross) and J18 (Rickmansworth) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 9.81 miles from Great Gaddesden.
Location: clockwise exit slip at junction J18 (Rickmansworth) .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.42 miles from Great Gaddesden.
Location: clockwise entry slip at junction J18 (Rickmansworth) .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.27 miles from Great Gaddesden.
Location: The A1M northbound between junctions J4 and J5 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 22 April 2026 to 05:30 on 23 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.71 miles from Great Gaddesden.
Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 22 April 2026 to 05:30 on 23 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.37 miles from Great Gaddesden.
Location: northbound entry slip from the A5135 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 22 April 2026 to 05:30 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.8 miles from Great Gaddesden.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.98 miles from Great Gaddesden.
Location: southbound exit slip at junction J10 (Luton Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.28 miles from Great Gaddesden.
Location: southbound exit slip at junction J12 (Flitwick) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.07 miles from Great Gaddesden.
Location: southbound entry slip at junction J12 (Flitwick) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.83 miles from Great Gaddesden.
Location: southbound exit slip at junction J13 (Milton Keynes) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.04 miles from Great Gaddesden.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 6.4 miles from Great Gaddesden.
Location: southbound between junctions J10 (Luton Airport) and J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.21 miles from Great Gaddesden.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.9 miles from Great Gaddesden.
Location: southbound between junctions J11A and J10 (Luton Airport) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.58 miles from Great Gaddesden.
Location: northbound entry slip at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.61 miles from Great Gaddesden.
Location: southbound between junctions J14 (Milton Keynes) and J13 (Milton Keynes) .
Lane Closures : Lane four will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 23 April 2026 to 05:00 on 24 April 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.7 miles from Great Gaddesden.
Location: northbound between junctions J13 (Milton Keynes) and J14 (Milton Keynes) .
Lane Closures : Lane four will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.35 miles from Great Gaddesden.
Location: southbound entry slip at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.6 miles from Great Gaddesden.
Location: northbound exit slip at junction J10 (Luton Airport) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.08 miles from Great Gaddesden.
Location: northbound between junctions J9 (Dunstable A5) and J10 (Luton Airport) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.94 miles from Great Gaddesden.
Location: northbound exit slip at junction J9 (Dunstable A5) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.94 miles from Great Gaddesden.
Location: southbound exit slip at junction J11 (Luton) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.76 miles from Great Gaddesden.
Location: northbound exit slip at junction J11 (Luton) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.45 miles from Great Gaddesden.
Location: southbound exit slip at junction J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.1 miles from Great Gaddesden.
Location: southbound exit slip at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.58 miles from Great Gaddesden.
Location: northbound between junctions J10 (Luton Airport) and J11A .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.16 miles from Great Gaddesden.
Location: northbound exit slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 April 2026 to 05:00 on 23 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.05 miles from Great Gaddesden.
Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 23 April 2026 to 05:00 on 24 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.44 miles from Great Gaddesden.
Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 10.28 miles from Great Gaddesden.
Location: southbound entry slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.31 miles from Great Gaddesden.
Location: southbound exit slip at Toddington Services.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.15 miles from Great Gaddesden.
Location: southbound entry slip at junction J13 (Milton Keynes) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.85 miles from Great Gaddesden.
Location: eastbound exit slip at junction J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 22 April 2026 to 24 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.97 miles from Great Gaddesden.
Location: eastbound entry slip at junction J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 22 April 2026 to 24 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.68 miles from Great Gaddesden.
Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 05:00 from 20 April 2026 to 23 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.9 miles from Great Gaddesden.
Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 05:00 from 20 April 2026 to 23 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.09 miles from Great Gaddesden.
Location: northbound between the junctions with the M1 and the A5183 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 05:00 from 20 April 2026 to 22 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.16 miles from Great Gaddesden.
Location: northbound between the junctions with the M1 and the A5183 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 05:00 from 20 April 2026 to 22 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.03 miles from Great Gaddesden.
Location: northbound between the junctions with the M1 and the A5183 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 05:00 from 20 April 2026 to 23 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.06 miles from Great Gaddesden.
Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 05:00 from 20 April 2026 to 23 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.06 miles from Great Gaddesden.
Location: westbound at the junction with the M1 J10.
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 21 April 2026 to 05:00 on 22 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.48 miles from Great Gaddesden.
Location: southbound entry slip at junction J10 (Luton Airport) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 21 April 2026 to 05:00 on 22 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.21 miles from Great Gaddesden.
Location: The A1M northbound between junctions J1 and J3 .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 21 April 2026 to 05:30 on 22 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.34 miles from Great Gaddesden.
Location: northbound exit slip at junction J10 (Luton Airport) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 21 April 2026 to 05:00 on 22 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.08 miles from Great Gaddesden.
Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 21 April 2026 to 23 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 8.28 miles from Great Gaddesden.
Location: The A1M southbound between junctions J6 and J4 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 21 April 2026 to 05:30 on 22 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.63 miles from Great Gaddesden.
Location: clockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 21 April 2026 to 24 April 2026.
Schedule : From 22:00 on 24 April 2026 to 06:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.19 miles from Great Gaddesden.
Location: clockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 21 April 2026 to 24 April 2026.
Schedule : From 22:00 on 24 April 2026 to 06:00 on 25 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.2 miles from Great Gaddesden.
Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 21 April 2026 to 23:59 on 24 April 2026.
Nearest town: 15.53 miles from Great Gaddesden.
Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 18.55 miles from Great Gaddesden.
Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 16 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 4.81 miles from Great Gaddesden.
Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 27 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 4 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 18 May 2026 to 22 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 4.81 miles from Great Gaddesden.
Location: southbound entry slip at junction J9 (Dunstable A5) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 April 2026 to 05:00 on 18 April 2026.
Schedule : From 22:00 on 20 April 2026 to 05:00 on 21 April 2026.
Schedule : From 22:00 on 23 April 2026 to 05:00 on 24 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.07 miles from Great Gaddesden.
Location: southbound exit slip to the M1 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 April 2026 to 05:00 on 18 April 2026.
Schedule : From 22:00 on 20 April 2026 to 05:00 on 21 April 2026.
Schedule : From 22:00 on 23 April 2026 to 05:00 on 24 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.05 miles from Great Gaddesden.
Location: southbound between the junctions with the A4146 South and the A4012 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 April 2026.
Nearest town: 10.7 miles from Great Gaddesden.
Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 April 2026.
Nearest town: 10.54 miles from Great Gaddesden.
Location: westbound exit slip to the A412 .
Lane Closures : Lane two will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 23:00 on 20 April 2026 to 06:00 on 21 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.81 miles from Great Gaddesden.
Location: southbound exit slip at junction J1 (Slough) .
Lane Closures : Lane two will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 23:00 on 20 April 2026 to 06:00 on 21 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.66 miles from Great Gaddesden.
Location: southbound at junction J12 (Flitwick) .
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 20 April 2026 to 22 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.07 miles from Great Gaddesden.
Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 20 April 2026 to 06:00 on 21 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.53 miles from Great Gaddesden.
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 : Expect disruption everyday between 22:00 and 05:00 from 20 April 2026 to 22 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.36 miles from Great Gaddesden.
Location: northbound at junction J1 (Slough) .
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 05:30 from 20 April 2026 to 24 April 2026.
Schedule : From 23:00 on 24 April 2026 to 06:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.81 miles from Great Gaddesden.
Location: westbound between the A437 and the junction with the A412 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 20 April 2026 to 24 April 2026.
Schedule : From 23:00 on 24 April 2026 to 06:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.94 miles from Great Gaddesden.
Location: southbound at the junction with the A4146 South.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 April 2026 to 22 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.08 miles from Great Gaddesden.
Location: northbound between the junctions with the A4146 Bletchley South and the A4146 Bletchley North.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 April 2026 to 25 April 2026.
Schedule : From 20:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.48 miles from Great Gaddesden.
Location: northbound between the junctions with the A4146 Bletchley South and the A4146 Bletchley North.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 April 2026 to 25 April 2026.
Schedule : From 20:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.3 miles from Great Gaddesden.
Location: northbound between the A4012 and the junction with the A422 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 20 April 2026 to 06:00 on 13 May 2026.
Nearest town: 15.64 miles from Great Gaddesden.
Location: northbound between the junctions with the A421 and the A509 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.69 miles from Great Gaddesden.
Location: northbound between the junctions with the A421 and the A509 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.77 miles from Great Gaddesden.
Location: northbound between the A4146 Bletchley South and the junction with the A509 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 April 2026 to 25 April 2026.
Schedule : From 20:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.87 miles from Great Gaddesden.
Location: northbound entry slip from the A4146 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 April 2026 to 25 April 2026.
Schedule : From 20:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.19 miles from Great Gaddesden.
Location: northbound at the junction with the A4146 Bletchley South.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 April 2026 to 22 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16 miles from Great Gaddesden.
Location: northbound between the A4146 Bletchley North and the junction with the A422 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.86 miles from Great Gaddesden.
Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 April 2026 to 22 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.35 miles from Great Gaddesden.
Location: northbound between the junctions with the A4146 Bletchley North and the A421 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.74 miles from Great Gaddesden.
Location: northbound between the A4146 Bletchley South and the junction with the A421 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.3 miles from Great Gaddesden.
Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 April 2026 to 22 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.64 miles from Great Gaddesden.
Location: northbound between the A4146 Bletchley South and the junction with the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 April 2026 to 22 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.08 miles from Great Gaddesden.
Location: northbound exit slip to the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 April 2026 to 25 April 2026.
Schedule : From 20:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.89 miles from Great Gaddesden.
Location: northbound entry slip from the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.97 miles from Great Gaddesden.
Location: northbound exit slip to the A4146 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 April 2026 to 22 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.93 miles from Great Gaddesden.
Location: southbound between the A4146 South and the junction with the A5183 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 April 2026 to 25 April 2026.
Nearest town: 10.27 miles from Great Gaddesden.
Location: northbound between the A5183 and the junction with the A4146 Bletchley South.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 April 2026 to 25 April 2026.
Nearest town: 10.11 miles from Great Gaddesden.
Location: The A1M northbound between junctions J4 and J6 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 17 April 2026 to 06:00 on 18 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.68 miles from Great Gaddesden.
Location: The A1M northbound entry slip at junction J5 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 17 April 2026 to 06:00 on 18 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.63 miles from Great Gaddesden.
Location: The A1M southbound between junctions J6 and J4 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 17 April 2026 to 06:00 on 18 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.75 miles from Great Gaddesden.
Location: northbound between junctions J5 (Harrow A41) and J6A (St Albans) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 19 April 2026 to 05:30 on 20 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.66 miles from Great Gaddesden.
Location: anticlockwise between junctions J21 (M1) and J20 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 19 April 2026 to 05:30 on 20 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 7.06 miles from Great Gaddesden.
Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 19 April 2026 to 23:59 on 24 April 2026.
Nearest town: 14.69 miles from Great Gaddesden.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 19 April 2026 to 23:59 on 24 April 2026.
Nearest town: 14.21 miles from Great Gaddesden.
Location: southbound entry slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 18 April 2026 to 06:00 on 19 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.03 miles from Great Gaddesden.
Location: southbound entry slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 18 April 2026 to 06:00 on 19 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.58 miles from Great Gaddesden.
Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 18 April 2026 to 06:00 on 19 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.92 miles from Great Gaddesden.
Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 18 April 2026 to 06:00 on 19 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.3 miles from Great Gaddesden.
Location: southbound between the M25 and the junction with the M1 .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 22:00 on 18 April 2026 to 05:30 on 19 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.25 miles from Great Gaddesden.
Location: southbound exit slip at junction J6 (Watford A405) .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 22:00 on 18 April 2026 to 05:30 on 19 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.34 miles from Great Gaddesden.
Location: northbound entry slip at junction J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 April 2026 to 05:30 on 18 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.81 miles from Great Gaddesden.
Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 April 2026 to 05:30 on 18 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.28 miles from Great Gaddesden.
Location: anticlockwise at junction J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 April 2026 to 05:30 on 18 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.39 miles from Great Gaddesden.
Location: The A1M northbound entry slip at junction J7 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 April 2026 to 05:00 on 18 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.12 miles from Great Gaddesden.
Location: The A1M northbound between junctions J6 and J8 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 April 2026 to 05:00 on 18 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.92 miles from Great Gaddesden.
Location: westbound exit slip to the A412 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 April 2026 to 05:00 on 18 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.81 miles from Great Gaddesden.
Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Schedule : From 23:00 on 17 April 2026 to 06:00 on 18 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.56 miles from Great Gaddesden.
Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Schedule : From 23:00 on 17 April 2026 to 06:00 on 18 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.52 miles from Great Gaddesden.
Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Schedule : From 23:00 on 17 April 2026 to 06:00 on 18 April 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 7.04 miles from Great Gaddesden.
Location: southbound exit slip at junction J1 (Slough) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Schedule : From 23:00 on 17 April 2026 to 05:30 on 18 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.67 miles from Great Gaddesden.
Location: southbound exit slip at London Gateway Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Schedule : From 23:00 on 17 April 2026 to 06:00 on 18 April 2026.
Schedule : From 22:00 on 20 April 2026 to 05:30 on 21 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.06 miles from Great Gaddesden.
Location: southbound between junctions J4 (Edgware A41) and J1 (North Circular) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 April 2026 to 05:30 on 17 April 2026.
Schedule : From 23:00 on 17 April 2026 to 06:00 on 18 April 2026.
Schedule : From 22:00 on 20 April 2026 to 05:30 on 21 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.66 miles from Great Gaddesden.
Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 9.05 miles from Great Gaddesden.
Location: anticlockwise entry slip at junction J18 (Rickmansworth) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.28 miles from Great Gaddesden.
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 21:00 on 23 April 2026 to 06:00 on 24 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.6 miles from Great Gaddesden.
Location: southbound between junctions J11A and J9 (Dunstable A5) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 25 April 2026 to 06:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.9 miles from Great Gaddesden.
Location: southbound between junctions J14 (Milton Keynes) and J11A .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 24 April 2026 to 06:00 on 25 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.77 miles from Great Gaddesden.
Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.66 miles from Great Gaddesden.
Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 16 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.46 miles from Great Gaddesden.
Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 16 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 11.66 miles from Great Gaddesden.
Location: anticlockwise between junctions J22 (St Albans) and J21 (M1) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.71 miles from Great Gaddesden.
Location: anticlockwise entry slip at junction J22 (St Albans) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.5 miles from Great Gaddesden.
Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 12.89 miles from Great Gaddesden.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 6.19 miles from Great Gaddesden.
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 16 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 6.72 miles from Great Gaddesden.
Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 4.9 miles from Great Gaddesden.
Location: northbound exit slip at junction J9 (Dunstable A5) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 16 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 4.94 miles from Great Gaddesden.
Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 16 April 2026 to 17 April 2026.
Schedule : From 09:30 on 20 April 2026 to 15:30 on 20 April 2026.
Nearest town: 4.79 miles from Great Gaddesden.
Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 8.08 miles from Great Gaddesden.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 8.51 miles from Great Gaddesden.
National Highways England
Transport for London (TFL)
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