Location: southbound between junctions J12 (Flitwick) and J11A .
Due to: Congestion.
Normal traffic conditions are expected between 04:45 and 05:00 on 16 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 10.78 miles from Harpenden Common.
Location: southbound between junctions J11A and J9 (Dunstable A5) .
Due to: Roadworks.
Period : from 23:11 on 15 June 2026 to 05:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.14 miles from Harpenden Common.
Location: northbound at junction J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 4.2 miles from Harpenden Common.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 4.7 miles from Harpenden Common.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 5.69 miles from Harpenden Common.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 5.69 miles from Harpenden Common.
Location: The A1M southbound between junctions J7 and J6 .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.47 miles from Harpenden Common.
Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 6.29 miles from Harpenden Common.
Location: anticlockwise exit slip at junction J21 (M1) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 6.15 miles from Harpenden Common.
Location: clockwise at junction J21A (Watword) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.29 miles from Harpenden Common.
Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 6.79 miles from Harpenden Common.
Location: clockwise at junction J21A (Watword) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.17 miles from Harpenden Common.
Location: northbound between junctions J6 (Watford A405) and J6A (St Albans) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.96 miles from Harpenden Common.
Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 6 miles from Harpenden Common.
Location: northbound between junctions J6 (Watford A405) and J6A (St Albans) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.94 miles from Harpenden Common.
Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Due to: Roadworks scheme.
Period : from 22:00 on 4 June 2026 to 05:00 on 26 June 2026.
Nearest town: 2.94 miles from Harpenden Common.
Location: southbound between junctions J11A and J9 (Dunstable A5) .
Due to: Roadworks scheme.
Period : from 21:01 on 8 June 2026 to 05:00 on 20 June 2026.
Nearest town: 9.74 miles from Harpenden Common.
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: 10.34 miles from Harpenden Common.
Location: anticlockwise between junctions J24 (Potters Bar) and J23 (Hatfield) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 11 miles from Harpenden Common.
Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.18 miles from Harpenden Common.
Location: The A1M northbound between junctions J8 and J9 .
Lane Closures : Lane three will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.85 miles from Harpenden Common.
Location: anticlockwise between junctions J24 (Potters Bar) and J23 (Hatfield) .
Lane Closures : Lane one will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.64 miles from Harpenden Common.
Location: anticlockwise between junctions J20 (Hemel Hstead) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.87 miles from Harpenden Common.
Location: northbound exit slip at Toddington Services.
Due to: Horticultural works.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.4 miles from Harpenden Common.
Location: northbound between junctions J11A and J12 (Flitwick) .
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 10.57 miles from Harpenden Common.
Location: anticlockwise entry slip at junction J18 (Rickmansworth) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.74 miles from Harpenden Common.
Location: The A1M northbound between junctions J4 and J6 .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.88 miles from Harpenden Common.
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: 10.07 miles from Harpenden Common.
Location: The A1M southbound between junctions J9 and J8 .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.42 miles from Harpenden Common.
Location: The A1M southbound between junctions J6 and J4 .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.83 miles from Harpenden Common.
Location: The A1M northbound entry slip at junction J5 .
Lane Closures : Lane one is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.79 miles from Harpenden Common.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lane four is closed.
Due to: Horticultural works.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 10.41 miles from Harpenden Common.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lane four is closed.
Due to: Horticultural works.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 10.41 miles from Harpenden Common.
Location: clockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 9.65 miles from Harpenden Common.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 10.2 miles from Harpenden Common.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.2 miles from Harpenden Common.
Location: The A1M southbound exit slip at junction J1 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.8 miles from Harpenden Common.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 6.24 miles from Harpenden Common.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.24 miles from Harpenden Common.
Location: southbound between the junctions with the M25 and the A5135 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.79 miles from Harpenden Common.
Location: clockwise entry slip at junction J22 (St Albans) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:30 on 23 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.98 miles from Harpenden Common.
Location: The A1M northbound entry slip at junction J4 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.16 miles from Harpenden Common.
Location: The A1M northbound between junctions J4 and J5 .
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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.2 miles from Harpenden Common.
Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:00 on 23 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.04 miles from Harpenden Common.
Location: clockwise between junctions J21A (Watword) 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 22 June 2026 to 05:30 on 23 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.91 miles from Harpenden Common.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 June 2026 to 05:00 on 23 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5 miles from Harpenden Common.
Location: The A1M southbound between junctions J8 and J7 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 June 2026 to 05:00 on 24 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 25 June 2026 to 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.83 miles from Harpenden Common.
Location: The A1M southbound between junctions J9 and J8 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 June 2026 to 05:00 on 24 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 25 June 2026 to 27 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.83 miles from Harpenden Common.
Location: The A1M southbound entry slip at junction J8 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 June 2026 to 05:00 on 24 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 25 June 2026 to 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.48 miles from Harpenden Common.
Location: The A1M southbound exit 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 23 June 2026 to 05:00 on 24 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 25 June 2026 to 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.87 miles from Harpenden Common.
Location: southbound exit slip at junction J10 (Luton Airport) .
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 16 June 2026 to 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.52 miles from Harpenden Common.
Location: The A1M northbound exit slip at junction J2 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2026 to 19 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.08 miles from Harpenden Common.
Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 7 July 2027 to 06:00 on 7 July 2027.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.76 miles from Harpenden Common.
Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.76 miles from Harpenden Common.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 1 July 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 6 July 2026 to 9 July 2026.
Nearest town: 2.22 miles from Harpenden Common.
Location: southbound between junctions J10 (Luton Airport) and J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 June 2026 to 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.27 miles from Harpenden Common.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 7 July 2027 to 06:00 on 7 July 2027.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5 miles from Harpenden Common.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 9 July 2027 to 06:00 on 9 July 2027.
Lanes Closed : All lanes will be closed.
Nearest town: 5 miles from Harpenden Common.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5 miles from Harpenden Common.
Location: clockwise entry slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.95 miles from Harpenden Common.
Location: clockwise at junction J21A (Watword) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.29 miles from Harpenden Common.
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 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.29 miles from Harpenden Common.
Location: clockwise at junction J21A (Watword) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.29 miles from Harpenden Common.
Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.54 miles from Harpenden Common.
Location: northbound between junctions J1 (North Circular) and J5 (Harrow A41) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 20 June 2026 to 26 June 2026.
Nearest town: 10.59 miles from Harpenden Common.
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 20:00 on 27 June 2026 to 06:00 on 28 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.44 miles from Harpenden Common.
Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 22 June 2026 to 26 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 2.94 miles from Harpenden Common.
Location: southbound between junctions J11A and J10 (Luton Airport) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 June 2026 to 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.12 miles from Harpenden Common.
Location: northbound entry slip at junction J9 (Dunstable A5) .
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 1 July 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 6 July 2026 to 9 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.65 miles from Harpenden Common.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 1 July 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 6 July 2026 to 9 July 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 2.29 miles from Harpenden Common.
Location: northbound entry slip at junction J11 (Luton) .
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 8 July 2026 to 11 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.71 miles from Harpenden Common.
Location: clockwise entry slip at junction J21A (Watword) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.16 miles from Harpenden Common.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.63 miles from Harpenden Common.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 18 June 2026 to 05:30 on 19 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.63 miles from Harpenden Common.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 22 June 2026 to 26 June 2026.
Nearest town: 5.95 miles from Harpenden Common.
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 20:00 on 25 June 2026 to 06:00 on 26 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.14 miles from Harpenden Common.
Location: southbound entry slip at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 June 2026 to 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.65 miles from Harpenden Common.
Location: northbound exit slip at junction J10 (Luton Airport) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 1 July 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 6 July 2026 to 9 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.12 miles from Harpenden Common.
Location: clockwise exit slip at junction J21A (Watword) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.11 miles from Harpenden Common.
Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2026 to 05:00 on 11 July 2026.
Nearest town: 2.22 miles from Harpenden Common.
Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 1 July 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 6 July 2026 to 9 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.42 miles from Harpenden Common.
Location: southbound exit slip at junction J11 (Luton) .
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 16 June 2026 to 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.82 miles from Harpenden Common.
Location: northbound exit slip at junction J11 (Luton) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 8 July 2026 to 11 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.54 miles from Harpenden Common.
Location: southbound exit slip at junction J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 June 2026 to 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.71 miles from Harpenden Common.
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 20:00 on 24 June 2026 to 06:00 on 25 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.6 miles from Harpenden Common.
Location: northbound between junctions J10 (Luton Airport) and J11A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 8 July 2026 to 11 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.34 miles from Harpenden Common.
Location: northbound exit slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 8 July 2026 to 11 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.51 miles from Harpenden Common.
Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 June 2026 to 20 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.72 miles from Harpenden Common.
Location: southbound entry slip at junction J11A .
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 16 June 2026 to 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.74 miles from Harpenden Common.
Location: northbound between the junctions with the M1 and the A5183 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 19 June 2026 to 05:00 on 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.79 miles from Harpenden Common.
Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 19 June 2026 to 05:00 on 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.79 miles from Harpenden Common.
Location: The A1M southbound between junctions J8 and J7 .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 17 June 2026 to 05:00 on 18 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.83 miles from Harpenden Common.
Location: anticlockwise between junctions J24 (Potters Bar) and J23 (Hatfield) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 10.64 miles from Harpenden Common.
Location: southbound entry slip from the M25 .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.05 miles from Harpenden Common.
Location: The A1M northbound between junctions J1 and J3 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2026 to 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.64 miles from Harpenden Common.
Location: The A1M northbound between junctions J7 and J8 .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 17 June 2026 to 05:00 on 18 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.69 miles from Harpenden Common.
Location: The A1M southbound between junctions J9 and J8 .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 17 June 2026 to 05:00 on 18 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.07 miles from Harpenden Common.
Location: southbound between junctions J4 (Edgware A41) and J1 (North Circular) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 22 June 2026 to 26 June 2026.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 29 June 2026 to 3 July 2026.
Nearest town: 12.02 miles from Harpenden Common.
Location: anticlockwise exit slip at junction J22 (St Albans) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.26 miles from Harpenden Common.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lane four will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2026 to 18 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.41 miles from Harpenden Common.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.2 miles from Harpenden Common.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.24 miles from Harpenden Common.
Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.2 miles from Harpenden Common.
Location: anticlockwise entry slip at junction J23 (Hatfield) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.9 miles from Harpenden Common.
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