Location: eastbound exit slip at junction J3 (Heathrow) .
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 08:45 and 09:00 on 28 April 2026.
Normal traffic conditions are expected between 08:45 and 09:00 on 28 April 2026.
Lanes Closed : There are lane closures.
Nearest town: 19.98 miles from Berkhamsted.

Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 08:30 and 08:45 on 28 April 2026.
Normal traffic conditions are expected between 08:30 and 08:45 on 28 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 18.95 miles from Berkhamsted.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Due to: Road traffic collision.
Status : Cleared.
Nearest town: 12.9 miles from Berkhamsted.

Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 14.84 miles from Berkhamsted.

Western Avenue (Eastbound) near the junction with Alperton Lane - Collision - Lane one reopened.
Traffic is flowing well for the time of day.
Nearest town: 19.72 miles from Berkhamsted.

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: 19.52 miles from Berkhamsted.

The Parkway (Northbound) at the junction of North Hyde Road - Road is now fully open.
Traffic is moving well.
Nearest town: 19.66 miles from Berkhamsted.

Watling Avenue (All Directions) at the junction of Orange Hill Road .
Traffic signals have been restored.
Traffic signals have been restored.
Nearest town: 17.54 miles from Berkhamsted.

Forty Avenue (All Directions) at the junction of Preston Road.
Lane restrictions in place due to a collision.
The road has reopened.
Nearest town: 18.55 miles from Berkhamsted.

Kymberley Road (One Way System) between Headstone Road and College Road - Road closure to facilitate resurfacing works
Nearest town: 16.33 miles from Berkhamsted.

Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 13:30 and 13:45 on 28 April 2026.
Nearest town: 15.37 miles from Berkhamsted.

Location: northbound exit slip to the M25 .
Due to: Congestion.
Normal traffic conditions are expected between 13:15 and 13:30 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.92 miles from Berkhamsted.

Location: The A308M westbound between the junctions with the A308 and the M4 .
Due to: Congestion.
Normal traffic conditions are expected between 11:00 and 11:15 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.85 miles from Berkhamsted.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 10:30 and 10:45 on 28 April 2026.
Nearest town: 13.16 miles from Berkhamsted.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 09:30 and 09:45 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.83 miles from Berkhamsted.

Location: The A1M southbound exit slip at junction J6 .
Due to: Congestion.
Normal traffic conditions are expected between 09:15 and 09:30 on 28 April 2026.
Nearest town: 16.52 miles from Berkhamsted.

Location: northbound exit slip to the M25 .
Due to: Congestion.
Normal traffic conditions are expected between 09:15 and 09:30 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.92 miles from Berkhamsted.

Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 28 April 2026.
Nearest town: 6.83 miles from Berkhamsted.

Location: westbound exit slip at junction J5 (Colnbrook) .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 28 April 2026.
Nearest town: 18.74 miles from Berkhamsted.

Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 08:45 and 09:00 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.37 miles from Berkhamsted.

Location: clockwise exit slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 9.39 miles from Berkhamsted.

Location: northbound entry slip at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 09:30 and 09:45 on 28 April 2026.
Nearest town: 14.34 miles from Berkhamsted.

Location: eastbound exit slip at junction J5 (Colnbrook) .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.79 miles from Berkhamsted.

Location: The A1M southbound exit slip at junction J1 .
Due to: Congestion.
Normal traffic conditions are expected between 08:45 and 09:00 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.99 miles from Berkhamsted.

Location: southbound entry slip at junction J10 (Luton Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 9.19 miles from Berkhamsted.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 08:45 and 09:00 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.83 miles from Berkhamsted.

Location: The A404M southbound at junction J9A .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 28 April 2026.
Nearest town: 18.83 miles from Berkhamsted.

Location: southbound between the junctions with the M25 and the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 9.45 miles from Berkhamsted.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Congestion.
Normal traffic conditions are expected between 08:15 and 08:30 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 12.66 miles from Berkhamsted.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 08:15 and 08:30 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.83 miles from Berkhamsted.

Location: clockwise entry slip at junction J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.89 miles from Berkhamsted.

Location: northbound between the junctions with the A412 and the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 28 April 2026.
Nearest town: 9.38 miles from Berkhamsted.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 08:15 and 08:30 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.16 miles from Berkhamsted.

Location: southbound exit slip at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 08:15 and 08:30 on 28 April 2026.
Nearest town: 14.27 miles from Berkhamsted.

Location: southbound between junctions J2 (North Circular) and J1 (North Circular) .
Due to: Congestion.
Normal traffic conditions are expected between 08:15 and 08:30 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.28 miles from Berkhamsted.

Location: clockwise at junction J14 (Heathrow Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by an earlier accident.
Nearest town: 14.47 miles from Berkhamsted.

Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 07:45 and 08:00 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.06 miles from Berkhamsted.

Location: southbound exit slip to the A4155 .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 28 April 2026.
Nearest town: 14.49 miles from Berkhamsted.

Location: The A308M westbound between the junctions with the A308 and the M4 .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.85 miles from Berkhamsted.

Location: anticlockwise between junctions J17 (Maple Cross) and 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 28 April 2026 to 05:30 on 29 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 10.77 miles from Berkhamsted.

Location: westbound entry slip at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.98 miles from Berkhamsted.

Location: westbound at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.01 miles from Berkhamsted.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.72 miles from Berkhamsted.

Location: westbound between junctions J6 (Slough) and J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.84 miles from Berkhamsted.

Location: westbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.01 miles from Berkhamsted.

Location: The A404M northbound exit slip at junction J9B .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 28 April 2026 to 06:00 on 29 April 2026.
Nearest town: 18.65 miles from Berkhamsted.

Location: The A404M northbound between junctions J9A and J9B .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.79 miles from Berkhamsted.

Location: The A404M northbound exit slip at junction J9B .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.65 miles from Berkhamsted.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 28 April 2026 to 05:30 on 29 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.86 miles from Berkhamsted.

Location: clockwise between junctions J20 (Hemel Hstead) and J21A (Watword) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 28 April 2026 to 05:30 on 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.24 miles from Berkhamsted.

Location: westbound entry slip at junction J4B (Heathrow) from the M25 anti-clockwise.
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 10 May 2026.
Nearest town: 18.72 miles from Berkhamsted.

Location: clockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 28 April 2026 to 05:30 on 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.38 miles from Berkhamsted.

Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 28 April 2026 to 05:30 on 29 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 7.88 miles from Berkhamsted.

Location: northbound between the A4012 and the junction with the A422 .
Due to: Roadworks scheme.
Period : from 20:14 on 20 April 2026 to 06:00 on 13 May 2026.
Nearest town: 16.37 miles from Berkhamsted.

Location: southbound entry slip at junction J9 (Dunstable A5) .
Due to: Roadworks scheme.
Period : from 22:00 on 27 April 2026 to 05:00 on 1 June 2026.
Nearest town: 8.13 miles from Berkhamsted.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 28 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 4 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 18 May 2026 to 22 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.11 miles from Berkhamsted.

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: 19.1 miles from Berkhamsted.

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: 18.86 miles from Berkhamsted.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 05:30 on 2 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.81 miles from Berkhamsted.

Location: clockwise between junctions J17 (Maple Cross) and J18 (Rickmansworth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.2 miles from Berkhamsted.

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 : Expect disruption everyday between 20:00 and 06:00 from 1 September 2026 to 5 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 September 2026 to 12 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 September 2026 to 19 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 21 September 2026 to 26 September 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.9 miles from Berkhamsted.

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 : Expect disruption everyday between 20:00 and 06:00 from 1 September 2026 to 5 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 September 2026 to 12 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 September 2026 to 19 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 21 September 2026 to 26 September 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.31 miles from Berkhamsted.

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 : Expect disruption everyday between 20:00 and 06:00 from 6 July 2026 to 11 July 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 July 2026 to 18 July 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 July 2026 to 25 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.31 miles from Berkhamsted.

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 : Expect disruption everyday between 20:00 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 May 2026 to 23 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 25 May 2026 to 30 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 1 June 2026 to 6 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.9 miles from Berkhamsted.

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 : Expect disruption everyday between 20:00 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 May 2026 to 23 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 25 May 2026 to 30 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 1 June 2026 to 6 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.31 miles from Berkhamsted.

Location: northbound between junctions J11A and J12 (Flitwick) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:00 on 1 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 11.74 miles from Berkhamsted.

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 5 May 2026 to 8 May 2026.
Nearest town: 8.86 miles from Berkhamsted.

Location: southbound at junction J1A (Watford) .
Lane Closures : Lane three will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 4 May 2026 to 06:00 on 5 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.95 miles from Berkhamsted.

Location: The A1M southbound exit slip at junction J3 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 05:30 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.41 miles from Berkhamsted.

Location: southbound between junctions J6 (Watford A405) and J5 (Harrow A41) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 4 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.42 miles from Berkhamsted.

Location: southbound entry slip at junction J5 (Harrow A41) .
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 4 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.07 miles from Berkhamsted.

Location: northbound between junctions J1 (North Circular) and J2 (North Circular) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 4 May 2026 to 05:30 on 5 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.58 miles from Berkhamsted.

Location: southbound.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 4 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.08 miles from Berkhamsted.

Location: southbound exit slip at junction J2 (North Circular) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 4 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.28 miles from Berkhamsted.

Location: southbound exit slip at junction J4 (Edgware A41) .
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 4 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.64 miles from Berkhamsted.

Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 4 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.78 miles from Berkhamsted.

Location: The A1M southbound between junctions J4 and J2 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 05:30 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.4 miles from Berkhamsted.

Location: The A1M northbound between junctions J3 and J4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 05:30 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.36 miles from Berkhamsted.

Location: The A1M southbound at junction J4 .
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 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 05:30 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.38 miles from Berkhamsted.

Location: The A1M southbound between junctions J6 and J4 .
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 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 05:30 on 9 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.3 miles from Berkhamsted.

Location: The A1M northbound at junction J3 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 05:30 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.44 miles from Berkhamsted.

Location: The A1M northbound between junctions J2 and J3 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 05:30 on 9 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.62 miles from Berkhamsted.

Location: southbound entry slip at London Gateway Services.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 4 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.91 miles from Berkhamsted.

Location: northbound between junctions J1 (North Circular) and J4 (Edgware A41) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 4 May 2026 to 05:30 on 5 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.18 miles from Berkhamsted.

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 16 May 2026 to 18 May 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 30 May 2026 to 1 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 8.36 miles from Berkhamsted.

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 28 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: 7.8 miles from Berkhamsted.

Location: southbound between junctions J9 (Dunstable A5) and J8 (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 05:00 from 9 May 2026 to 11 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 7.8 miles from Berkhamsted.

Location: southbound entry slip at junction J9 (Dunstable A5) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 9 May 2026 to 05:00 on 10 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.13 miles from Berkhamsted.

Location: southbound exit slip to the M1 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 9 May 2026 to 05:00 on 10 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.12 miles from Berkhamsted.

Location: eastbound between junctions J5 (Colnbrook) and J4B (Heathrow) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 18.76 miles from Berkhamsted.

Location: northbound between junctions J5 (Harrow A41) and J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 3 May 2026 to 05:30 on 4 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.68 miles from Berkhamsted.

Location: southbound between the junctions with the M25 and the A5135 .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 3 May 2026 to 05:30 on 4 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.94 miles from Berkhamsted.

Location: The A1M southbound between junctions J3 and J1 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 3 May 2026 to 05:30 on 4 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.93 miles from Berkhamsted.

Location: The A1M southbound at junction J1 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 3 May 2026 to 05:30 on 4 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.99 miles from Berkhamsted.

Location: southbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 2 May 2026 to 06:00 on 3 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.71 miles from Berkhamsted.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 2 May 2026 to 06:00 on 3 May 2026.
Nearest town: 11.78 miles from Berkhamsted.

Location: The A1M southbound exit slip at junction J3 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.41 miles from Berkhamsted.

Location: clockwise between junctions J17 (Maple Cross) and J18 (Rickmansworth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.2 miles from Berkhamsted.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 05:30 on 2 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.81 miles from Berkhamsted.

Location: The A1M southbound between junctions J4 and J2 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.41 miles from Berkhamsted.

Location: The A1M southbound at junction J4 .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.4 miles from Berkhamsted.

Location: The A1M southbound between junctions J6 and J4 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.3 miles from Berkhamsted.

Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.9 miles from Berkhamsted.

Location: eastbound between junctions J4 and J3 (Heathrow) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.58 miles from Berkhamsted.

Location: eastbound exit slip at junction J3 (Heathrow) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.9 miles from Berkhamsted.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.79 miles from Berkhamsted.

Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.15 miles from Berkhamsted.

Location: The A1M southbound exit slip at junction J3 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.41 miles from Berkhamsted.

Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.48 miles from Berkhamsted.

Location: anticlockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.48 miles from Berkhamsted.

Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.84 miles from Berkhamsted.

Location: southbound between junctions J6A (St Albans) and J5 (Harrow A41) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.07 miles from Berkhamsted.

Location: southbound between junctions J11 (Luton) and J10 (Luton Airport) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:00 on 1 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.01 miles from Berkhamsted.

Location: anticlockwise at junction J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.48 miles from Berkhamsted.

Location: southbound at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:00 on 1 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.29 miles from Berkhamsted.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 7.72 miles from Berkhamsted.

Location: The A1M southbound between junctions J4 and J2 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.41 miles from Berkhamsted.

Location: The A1M southbound between junctions J6 and J4 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.3 miles from Berkhamsted.

Location: The A1M southbound at junction J4 .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.4 miles from Berkhamsted.

Location: The A1M southbound exit slip at junction J4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.4 miles from Berkhamsted.

Location: northbound between junctions J5 (Harrow A41) and J6A (St Albans) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.1 miles from Berkhamsted.

Location: The A1M northbound between junctions J2 and J3 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.62 miles from Berkhamsted.

Location: The A1M northbound between junctions J3 and J4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.36 miles from Berkhamsted.

Location: The A1M northbound at junction J3 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.45 miles from Berkhamsted.

Location: The A1M northbound exit slip at junction J4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.26 miles from Berkhamsted.

Location: westbound entry slip at junction J7 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.32 miles from Berkhamsted.

Location: westbound exit slip at junction J7 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.61 miles from Berkhamsted.

Location: westbound between junctions J6 (Slough) and J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.74 miles from Berkhamsted.

Location: southbound at the junction with the A4146 South.
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 20:00 on 30 April 2026 to 05:00 on 1 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.77 miles from Berkhamsted.

Location: northbound at the junction with the A4146 Bletchley South.
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 20:00 on 30 April 2026 to 05:00 on 1 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.69 miles from Berkhamsted.

Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 20:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.26 miles from Berkhamsted.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 30 April 2026 to 15:30 on 30 April 2026.
Nearest town: 8.68 miles from Berkhamsted.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 30 April 2026 to 15:30 on 30 April 2026.
Nearest town: 7.17 miles from Berkhamsted.

Location: northbound entry slip at junction J8 (Hemel Hstead) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 30 April 2026 to 15:30 on 30 April 2026.
Nearest town: 7.02 miles from Berkhamsted.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 30 April 2026 to 15:30 on 30 April 2026.
Nearest town: 7.89 miles from Berkhamsted.

Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 29 April 2026 to 05:30 on 30 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.48 miles from Berkhamsted.

Location: northbound entry slip from the A4146 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.87 miles from Berkhamsted.

Location: southbound between the A421 and the junction with the A4146 North.
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 28 April 2026 to 1 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.54 miles from Berkhamsted.

Location: southbound entry slip from the A421 .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 28 April 2026 to 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.55 miles from Berkhamsted.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : The hard shoulder is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 15:30 on 28 April 2026.
Nearest town: 7.23 miles from Berkhamsted.

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 : Expect disruption everyday between 22:15 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.86 miles from Berkhamsted.

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 : Expect disruption everyday between 22:15 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.82 miles from Berkhamsted.

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 : Expect disruption everyday between 22:15 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.03 miles from Berkhamsted.

Location: southbound between junctions J5 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.35 miles from Berkhamsted.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.67 miles from Berkhamsted.

Location: The A1M northbound between junctions J2 and J3 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 28 April 2026 to 30 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.62 miles from Berkhamsted.

Location: The A1M southbound between junctions J4 and J2 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 27 April 2026 to 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.41 miles from Berkhamsted.

Location: The A1M northbound between junctions J3 and J4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 28 April 2026 to 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.36 miles from Berkhamsted.

Location: The A1M southbound between junctions J6 and J4 .
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 28 April 2026 to 30 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.3 miles from Berkhamsted.

Location: The A1M southbound at junction J4 .
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 28 April 2026 to 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.4 miles from Berkhamsted.

Location: The A1M northbound at junction J3 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 28 April 2026 to 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.45 miles from Berkhamsted.

Location: The A1M northbound exit slip at junction J4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 28 April 2026 to 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.26 miles from Berkhamsted.

Location: anticlockwise entry slip at junction J16 (M40) From M40 South.
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 28 April 2026 to 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.9 miles from Berkhamsted.

Location: clockwise entry slip at junction J16 (M40) .
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 28 April 2026 to 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.89 miles from Berkhamsted.

Location: anticlockwise between junctions J24 (Potters Bar) and J23 (Hatfield) .
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 28 April 2026 to 1 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.68 miles from Berkhamsted.

Location: northbound entry slip from the A4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 6 May 2026 to 06:00 on 7 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.56 miles from Berkhamsted.

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 : Expect disruption everyday between 20:00 and 06:00 from 1 September 2026 to 5 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 September 2026 to 12 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 September 2026 to 19 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 21 September 2026 to 26 September 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.9 miles from Berkhamsted.

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 : Expect disruption everyday between 20:00 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 May 2026 to 23 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 25 May 2026 to 30 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 1 June 2026 to 6 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.9 miles from Berkhamsted.

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 : Expect disruption everyday between 20:00 and 06:00 from 1 September 2026 to 5 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 September 2026 to 12 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 September 2026 to 19 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 21 September 2026 to 26 September 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.31 miles from Berkhamsted.

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 : Expect disruption everyday between 20:00 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 May 2026 to 23 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 25 May 2026 to 30 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 1 June 2026 to 6 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.31 miles from Berkhamsted.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.46 miles from Berkhamsted.

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: 18.44 miles from Berkhamsted.

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: 18.38 miles from Berkhamsted.

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: 16.98 miles from Berkhamsted.

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: 18.49 miles from Berkhamsted.

Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 April 2026 to 2 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.61 miles from Berkhamsted.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 28 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.94 miles from Berkhamsted.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 28 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 8.32 miles from Berkhamsted.

Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 28 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.9 miles from Berkhamsted.

Location: northbound exit slip at junction J9 (Dunstable A5) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 28 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8 miles from Berkhamsted.

Location: westbound between junctions J5 (Colnbrook) and J7 (Slough) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Nearest town: 18.08 miles from Berkhamsted.

Location: westbound between junctions J6 (Slough) and J7 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.84 miles from Berkhamsted.

Location: westbound at junction J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.01 miles from Berkhamsted.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.08 miles from Berkhamsted.

Location: westbound entry slip at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.98 miles from Berkhamsted.
