Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 00:00 and 00:15 on 16 June 2026.
Normal traffic conditions are expected between 00:00 and 00:15 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 9.91 miles from Welwyn Garden City.

Green Street (All Directions) at the junction of Jute Lane - The level crossing barriers are now working.
Fault now repaired.
Nearest town: 12.42 miles from Welwyn Garden City.

Bowes Road (North Circular Road) (All Directions) - The traffic signals are not operating under central computer control at this junction.
Traffic signals at this location are now on and working.
Nearest town: 13.69 miles from Welwyn Garden City.

Walthamstow Avenue (North Circular Road) (Eastbound) On approach to the Crooked Billet Roundabout.
Partial restriction of the off slip towards the roundabout due to an accident.
The collision has been cleared.
All lanes are open.
Nearest town: 15.52 miles from Welwyn Garden City.

Aldermans Hill at the junction with Green Lanes - There will be temporary signals in operation due to a crane in the area.
No restrictions in place.
Nearest town: 13.36 miles from Welwyn Garden City.

Angel Road (North Circular Road) (All Directions) at the junction of the Cooks Ferry Flyover - The A406 has been fully reopened eastbound with one lane reopened in the westbound carriageway.
All lanes open with traffic flowing well.
Nearest town: 14.86 miles from Welwyn Garden City.

Southgate Circus junction with Chase Side(All Directions) There is a collision at this location.
Traffic is flowing well.
Nearest town: 12.13 miles from Welwyn Garden City.

Watling Avenue (All Directions) at the junction of Orange Hill Road .
Traffic signals have been restored.
Traffic signals have been restored.
Nearest town: 13.98 miles from Welwyn Garden City.

Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 21:00 and 21:15 on 15 June 2026.
Nearest town: 1.8 miles from Welwyn Garden City.

Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Due to: Congestion.
Normal traffic conditions are expected between 21:00 and 21:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 8.61 miles from Welwyn Garden City.

Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 20:00 and 20:15 on 15 June 2026.
Nearest town: 1.8 miles from Welwyn Garden City.

Location: clockwise at junction J23 (Hatfield) .
Due to: Congestion.
Normal traffic conditions are expected between 19:15 and 19:30 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 8.05 miles from Welwyn Garden City.

Location: clockwise between junctions J25 (Enfield) and J27 (Stansted) .
Due to: Roadworks.
Period : from 22:19 on 15 June 2026 to 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.72 miles from Welwyn Garden City.

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: 9.6 miles from Welwyn Garden City.

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: 9.6 miles from Welwyn Garden City.

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: 10.09 miles from Welwyn Garden City.

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: 9.41 miles from Welwyn Garden City.

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: 10.09 miles from Welwyn Garden City.

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: 9.7 miles from Welwyn Garden City.

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: 9.75 miles from Welwyn Garden City.

Location: clockwise at junction J25 (Enfield) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.32 miles from Welwyn Garden City.

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: 9.69 miles from Welwyn Garden City.

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: 8.59 miles from Welwyn Garden City.

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: 8.09 miles from Welwyn Garden City.

Location: anticlockwise between junctions J24 (Potters Bar) and J23 (Hatfield) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 8.1 miles from Welwyn Garden City.

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: 1.12 miles from Welwyn Garden City.

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: 8.35 miles from Welwyn Garden City.

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: 1.24 miles from Welwyn Garden City.

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: 1.1 miles from Welwyn Garden City.

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: 8.13 miles from Welwyn Garden City.

Location: anticlockwise exit slip at junction J24 (Potters Bar) .
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 8.06 miles from Welwyn Garden City.

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: 8.13 miles from Welwyn Garden City.

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: 7.88 miles from Welwyn Garden City.

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: 8.15 miles from Welwyn Garden City.

Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 8.4 miles from Welwyn Garden City.

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: 9.29 miles from Welwyn Garden City.

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: 9.53 miles from Welwyn Garden City.

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: 6.65 miles from Welwyn Garden City.

Location: anticlockwise exit slip at junction J25 (Enfield) .
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 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.71 miles from Welwyn Garden City.

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: 1.81 miles from Welwyn Garden City.

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: 1.82 miles from Welwyn Garden City.

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: 7.7 miles from Welwyn Garden City.

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: 7.74 miles from Welwyn Garden City.

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: 9.07 miles from Welwyn Garden City.

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: 10.09 miles from Welwyn Garden City.

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: 8.7 miles from Welwyn Garden City.

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: 6.07 miles from Welwyn Garden City.

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: 4.72 miles from Welwyn Garden City.

Location: clockwise between junctions J25 (Enfield) and J26 (Waltham Abbey) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.53 miles from Welwyn Garden City.

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: 7.91 miles from Welwyn Garden City.

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: 7.91 miles from Welwyn Garden City.

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: 7.74 miles from Welwyn Garden City.

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: 7.74 miles from Welwyn Garden City.

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: 7.74 miles from Welwyn Garden City.

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: 5.07 miles from Welwyn Garden City.

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: 9.65 miles from Welwyn Garden City.

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: 10.09 miles from Welwyn Garden City.

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: 10.09 miles from Welwyn Garden City.

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: 10.09 miles from Welwyn Garden City.

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: 9.85 miles from Welwyn Garden City.

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: 11.99 miles from Welwyn Garden City.

Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 9.25 miles from Welwyn Garden City.

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: 9.32 miles from Welwyn Garden City.

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: 8.4 miles from Welwyn Garden City.

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: 8.4 miles from Welwyn Garden City.

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: 9.69 miles from Welwyn Garden City.

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: 9.56 miles from Welwyn Garden City.

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: 4.29 miles from Welwyn Garden City.

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: 9.1 miles from Welwyn Garden City.

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: 8.01 miles from Welwyn Garden City.

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: 9.07 miles from Welwyn Garden City.

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: 8.01 miles from Welwyn Garden City.

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: 8.21 miles from Welwyn Garden City.

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: 5.1 miles from Welwyn Garden City.

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: 9.65 miles from Welwyn Garden City.

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: 8.01 miles from Welwyn Garden City.

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: 9.31 miles from Welwyn Garden City.

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: 11.86 miles from Welwyn Garden City.

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: 6.66 miles from Welwyn Garden City.

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: 8.13 miles from Welwyn Garden City.

Location: anticlockwise exit slip at junction J24 (Potters Bar) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 05:30 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.06 miles from Welwyn Garden City.

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: 8.15 miles from Welwyn Garden City.

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: 7.78 miles from Welwyn Garden City.

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: 8.15 miles from Welwyn Garden City.

Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 05:30 on 20 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.18 miles from Welwyn Garden City.

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: 9.29 miles from Welwyn Garden City.

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: 9.29 miles from Welwyn Garden City.

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: 8.15 miles from Welwyn Garden City.

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: 8.08 miles from Welwyn Garden City.
