Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Due to: Road traffic collision.
Status : Cleared.
Nearest town: 17.25 miles from Potten End.
Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 21:00 and 21:15 on 27 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 18.4 miles from Potten End.
Location: northbound exit slip at junction J8 (Hemel Hstead) .
Lane Closures : Lane one is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 19:00 and 19:15 on 27 January 2026.
Normal traffic conditions are expected between 19:00 and 19:15 on 27 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.08 miles from Potten End.
Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lane one is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 19:30 and 19:45 on 27 January 2026.
Normal traffic conditions are expected between 19:30 and 19:45 on 27 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.83 miles from Potten End.
Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Lane Closures : Lane three is closed.
Due to: Road Management.
Time To Clear : The event is expected to clear between 20:45 and 21:00 on 27 January 2026.
Normal traffic conditions are expected between 21:00 and 21:15 on 27 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 17.5 miles from Potten End.
Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Due to: Broken down vehicle.
Status : Cleared.
Nearest town: 6.75 miles from Potten End.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Due to: Road Management.
Status : Cleared.
Nearest town: 17.51 miles from Potten End.
Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Due to: Road traffic collision.
Status : Cleared.
Nearest town: 18.74 miles from Potten End.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Due to: Police incident.
Status : Cleared.
Nearest town: 14.74 miles from Potten End.
Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 14.31 miles from Potten End.
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: 18.14 miles from Potten End.
The Parkway (Northbound) at the junction of North Hyde Road - Road is now fully open.
Traffic is moving well.
Nearest town: 19.01 miles from Potten End.
Watling Avenue (All Directions) at the junction of Orange Hill Road .
Traffic signals have been restored.
Traffic signals have been restored.
Nearest town: 16.11 miles from Potten End.
Western Avenue (Eastbound) near the junction with Alperton Lane - Collision - Lane one reopened.
Traffic is flowing well for the time of day.
Nearest town: 18.65 miles from Potten End.
All lanes reopened.
Traffic is moving well.
Nearest town: 19.88 miles from Potten End.
Southgate Circus junction with Chase Side(All Directions) There is a collision at this location.
Traffic is flowing well.
Nearest town: 19.69 miles from Potten End.
Forty Avenue (All Directions) at the junction of Preston Road.
Lane restrictions in place due to a collision.
The road has reopened.
Nearest town: 17.33 miles from Potten End.
High Street Harlesden (All Directions) at the junction of Wendover Road - Faulty traffic signals The traffic signals have been repaired.
Nearest town: 19.97 miles from Potten End.
Kymberley Road (One Way System) between Headstone Road and College Road - Road closure to facilitate resurfacing works
Nearest town: 15.18 miles from Potten End.
Location: southbound exit slip at junction J13 (Milton Keynes) .
Due to: Congestion.
Normal traffic conditions are expected between 21:15 and 21:30 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.64 miles from Potten End.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Due to: Congestion.
Normal traffic conditions are expected between 22:30 and 22:45 on 27 January 2026.
Delay : There are currently delays of 20 minutes against expected traffic.
Earlier
Due to: Caused by an earlier accident.
Nearest town: 18.41 miles from Potten End.
Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.92 miles from Potten End.
Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 27 January 2026.
Nearest town: 4.98 miles from Potten End.
Location: northbound between the A5183 and the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 19:00 and 19:15 on 27 January 2026.
Delay : There are currently delays of 15 minutes against expected traffic.
Nearest town: 10.88 miles from Potten End.
Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 27 January 2026.
Cause : Emergency roadworks.
Delay : There are currently delays of 15 minutes against expected traffic.
Nearest town: 16.59 miles from Potten End.
Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Nearest town: 4.98 miles from Potten End.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) dedicated lane from A414.
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 5.34 miles from Potten End.
Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.53 miles from Potten End.
Location: The A1M northbound between junctions J8 and J9 .
Due to: Congestion.
Normal traffic conditions are expected between 19:30 and 19:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.63 miles from Potten End.
Location: southbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Nearest town: 14.29 miles from Potten End.
Location: clockwise between junctions J22 (St Albans) and J23 (Hatfield) .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 12.95 miles from Potten End.
Location: northbound between junctions J11A and J13 (Milton Keynes) .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 27 January 2026.
Delay : There are currently delays of 30 minutes against expected traffic.
Nearest town: 12.8 miles from Potten End.
Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 27 January 2026.
Nearest town: 4.98 miles from Potten End.
Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.7 miles from Potten End.
Location: anticlockwise exit slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.96 miles from Potten End.
Location: The A1M northbound between junctions J4 and J6 .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.78 miles from Potten End.
Location: clockwise exit slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.65 miles from Potten End.
Location: The A1M southbound between junctions J3 and J1 .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 12.91 miles from Potten End.
Location: westbound at the junction with the M1 J10.
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 27 January 2026.
Nearest town: 8.09 miles from Potten End.
Location: southbound between the A4146 South and the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 20:00 and 20:15 on 27 January 2026.
Delay : There are currently delays of 15 minutes against expected traffic.
Nearest town: 12.01 miles from Potten End.
Location: southbound exit slip to the A4155 .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.51 miles from Potten End.
Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.53 miles from Potten End.
Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 27 January 2026.
Nearest town: 14.33 miles from Potten End.
Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 17:15 and 17:30 on 27 January 2026.
Nearest town: 7.7 miles from Potten End.
Location: northbound at junction J8 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 5.2 miles from Potten End.
Location: northbound entry slip at junction J10 (Luton Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 8.07 miles from Potten End.
Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 6.55 miles from Potten End.
Location: anticlockwise entry slip at junction J19 (Watford) .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.09 miles from Potten End.
Location: clockwise exit slip at junction J22 (St Albans) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 27 January 2026.
Nearest town: 11.45 miles from Potten End.
Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 16:45 and 17:00 on 27 January 2026.
Nearest town: 13.53 miles from Potten End.
Location: clockwise exit slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 16:45 and 17:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.11 miles from Potten End.
Location: anticlockwise at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by the earlier broken down vehicle.
Nearest town: 7.06 miles from Potten End.
Location: anticlockwise exit slip at junction J22 (St Albans) .
Due to: Congestion.
Normal traffic conditions are expected between 16:45 and 17:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 11.73 miles from Potten End.
Location: clockwise entry slip at junction J24 (Potters Bar) .
Due to: Congestion.
Normal traffic conditions are expected between 16:45 and 17:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 16.64 miles from Potten End.
Location: The A1M southbound exit slip at junction J1 .
Due to: Congestion.
Normal traffic conditions are expected between 16:45 and 17:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.23 miles from Potten End.
Location: clockwise between junctions J22 (St Albans) and J23 (Hatfield) .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by an earlier police incident.
Nearest town: 11.37 miles from Potten End.
Location: northbound.
Due to: Roadworks.
Period : from 21:01 on 27 January 2026 to 05:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.89 miles from Potten End.
Location: northbound between the junctions with the A4130 and the A308 .
Due to: Roadworks.
Period : from 20:12 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.93 miles from Potten End.
Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Lane Closures : Lane three is closed.
Due to: Emergency roadworks.
Period : from 19:04 on 27 January 2026 to 12:00 on 28 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 17.43 miles from Potten End.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Emergency roadworks.
Period : from 19:07 on 27 January 2026 to 12:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 17.67 miles from Potten End.
Location: northbound between junctions J5 (Harrow A41) and J6 (Watford A405) .
Lane Closures : Lane three is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 8.98 miles from Potten End.
Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane one is closed.
Due to: Emergency Roadside Drains works.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.55 miles from Potten End.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 13.02 miles from Potten End.
Location: southbound between junctions J1A (Watford) and J1 (Slough) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 13.74 miles from Potten End.
Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 11.73 miles from Potten End.
Location: southbound between junctions J6A (St Albans) and J5 (Harrow A41) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 7.37 miles from Potten End.
Location: southbound between the junctions with the A4012 and the A5183 .
Due to: Roadworks.
Period : expect disruption until 18:00 on 29 January 2026.
Nearest town: 11.8 miles from Potten End.
Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Roadworks.
Period : expect disruption until 18:00 on 29 January 2026.
Nearest town: 11.77 miles from Potten End.
Location: anticlockwise exit slip at junction J14 (Heathrow Airport) for Heathrow T5.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.71 miles from Potten End.
Location: anticlockwise exit slip at junction J14 (Heathrow Airport) for A3113.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.59 miles from Potten End.
Location: anticlockwise at junction J14 (Heathrow Airport) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.59 miles from Potten End.
Location: anticlockwise between junctions J15 (Slough) and J14 (Heathrow Airport) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There is one of six lanes closed.
Nearest town: 19.02 miles from Potten End.
Location: anticlockwise entry slip at junction J15 (Slough) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 18.77 miles from Potten End.
Location: anticlockwise entry slip at junction J15 (Slough) from the M4 westbound.
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.62 miles from Potten End.
Location: northbound exit slip at junction J8 (Hemel Hstead) .
Lane Closures : Lane one is closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.66 miles from Potten End.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lane one is closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 6.14 miles from Potten End.
Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 12.66 miles from Potten End.
Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
Due to: Roadworks scheme.
Period : from 21:05 on 27 January 2026 to 05:00 on 28 January 2026.
Nearest town: 15.7 miles from Potten End.
Location: northbound.
Due to: Roadworks.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.77 miles from Potten End.
Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
Due to: Roadworks.
Period : expect disruption until 05:00 on 28 January 2026.
Nearest town: 15.7 miles from Potten End.
Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one is closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.1 miles from Potten End.
Location: eastbound at junction J6 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.11 miles from Potten End.
Location: eastbound between junctions J8 (High Wycombe) and J6 (Slough) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.34 miles from Potten End.
Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.19 miles from Potten End.
Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 30 January 2026.
Nearest town: 13.37 miles from Potten End.
Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 29 January 2026.
Nearest town: 15.74 miles from Potten End.
Location: southbound exit slip at Toddington Services.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.05 miles from Potten End.
Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.37 miles from Potten End.
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: 17.66 miles from Potten End.
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: 17.41 miles from Potten End.
Location: anticlockwise between junctions J15 (Slough) and J14 (Heathrow Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 05:30 on 4 February 2026.
Lanes Closed : There will be two of six lanes closed.
Nearest town: 19.02 miles from Potten End.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 05:30 on 4 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.17 miles from Potten End.
Location: anticlockwise between junctions J18 (Rickmansworth) 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 3 February 2026 to 05:30 on 4 February 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 8.2 miles from Potten End.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
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 3 February 2026 to 6 February 2026.
Schedule : From 23:00 on 6 February 2026 to 05:30 on 7 February 2026.
Schedule : From 22:00 on 9 February 2026 to 05:30 on 10 February 2026.
Schedule : From 22:00 on 11 February 2026 to 05:30 on 12 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.21 miles from Potten End.
Location: anticlockwise at junction J15 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 05:30 on 4 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.49 miles from Potten End.
Location: anticlockwise entry slip at junction J15 (Slough) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 05:30 on 4 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.77 miles from Potten End.
Location: anticlockwise entry slip at junction J15 (Slough) from the M4 westbound.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 05:30 on 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.62 miles from Potten End.
Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 05:30 on 4 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.14 miles from Potten End.
Location: eastbound between junctions J4 and J3 (Heathrow) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 05:00 on 4 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.7 miles from Potten End.
Location: The A1M northbound between junctions J3 and J4 .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:30 on 30 January 2026.
Schedule : From 23:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.61 miles from Potten End.
Location: The A1M northbound at junction J3 .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:30 on 30 January 2026.
Schedule : From 23:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.55 miles from Potten End.
Location: northbound between junctions J11 (Luton) and J11A .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 05:00 on 29 January 2026.
Nearest town: 10.37 miles from Potten End.
Location: southbound between junctions J4 and J4A .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 31 January 2026 to 05:00 on 1 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.77 miles from Potten End.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 07:00 on 3 February 2026 to 23:59 on 4 February 2026.
Nearest town: 12.96 miles from Potten End.
Location: clockwise entry slip at junction J14 (Heathrow Airport) from Heathrow T5.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:00 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.95 miles from Potten End.
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 2 February 2026 to 6 February 2026.
Schedule : From 23:00 on 6 February 2026 to 05:30 on 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.55 miles from Potten End.
Location: clockwise at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.25 miles from Potten End.
Location: westbound entry slip at junction J3 (Heathrow) .
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 2 February 2026 to 4 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.42 miles from Potten End.
Location: slip road to the M40 northbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.25 miles from Potten End.
Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.91 miles from Potten End.
Location: slip road to the M40 southbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.83 miles from Potten End.
Location: anticlockwise exit slip 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 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.74 miles from Potten End.
Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 7.1 miles from Potten End.
Location: northbound entry slip at junction J5 (Harrow A41) .
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 2 February 2026 to 6 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.5 miles from Potten End.
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 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 8.75 miles from Potten End.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.17 miles from Potten End.
Location: clockwise between junctions J16 (M40) and J18 (Rickmansworth) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 9.24 miles from Potten End.
Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.62 miles from Potten End.
Location: northbound at junction J11A .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.99 miles from Potten End.
Location: northbound between junctions J11 (Luton) and J11A .
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 05:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.91 miles from Potten End.
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 2 February 2026 to 6 February 2026.
Schedule : From 23:00 on 6 February 2026 to 05:30 on 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.56 miles from Potten End.
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 2 February 2026 to 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.5 miles from Potten End.
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 2 February 2026 to 6 February 2026.
Schedule : From 23:00 on 6 February 2026 to 05:30 on 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.53 miles from Potten End.
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 2 February 2026 to 6 February 2026.
Schedule : From 23:00 on 6 February 2026 to 05:30 on 7 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.47 miles from Potten End.
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 2 February 2026 to 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.53 miles from Potten End.
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 2 February 2026 to 7 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.77 miles from Potten End.
Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.26 miles from Potten End.
Location: westbound entry slip at junction J4B (Heathrow) from M25 clockwise.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:00 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.74 miles from Potten End.
Location: northbound between the junctions with the M1 and the A6 Bedford south.
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 2 February 2026 to 05:00 on 3 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.42 miles from Potten End.
Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.36 miles from Potten End.
Location: northbound between junctions J1 (North Circular) and J4 (Edgware A41) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:30 on 30 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.67 miles from Potten End.
Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.89 miles from Potten End.
Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 13.77 miles from Potten End.
Location: westbound between the junctions with the A437 and the M40 .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 14.22 miles from Potten End.
Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 12.75 miles from Potten End.
Location: northbound between junctions J1A (Watford) and J4 (High Wycombe) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.34 miles from Potten End.
Location: southbound between junctions J4 (High Wycombe) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 3 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 9 February 2026 to 14 February 2026.
Schedule : From 22:15 on 16 February 2026 to 06:00 on 17 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.73 miles from Potten End.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 1 February 2026 to 05:30 on 2 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 12.44 miles from Potten End.
Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 1 February 2026 to 23:59 on 3 February 2026.
Nearest town: 13.55 miles from Potten End.
Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 1 February 2026 to 23:59 on 9 February 2026.
Nearest town: 16.88 miles from Potten End.
Location: eastbound at junction J4 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 31 January 2026 to 06:00 on 1 February 2026.
Schedule : From 22:30 on 1 February 2026 to 05:30 on 2 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.7 miles from Potten End.
Location: anticlockwise entry slip at junction J19 (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 31 January 2026 to 06:00 on 1 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.09 miles from Potten End.
Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.7 miles from Potten End.
Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.74 miles from Potten End.
Location: southbound between junctions J6A (St Albans) and J5 (Harrow A41) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.37 miles from Potten End.
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 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.99 miles from Potten End.
Location: clockwise between junctions J20 (Hemel Hstead) and J21A (Watword) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.81 miles from Potten End.
Location: clockwise exit slip at junction J21A (Watword) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.49 miles from Potten End.
Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 6.74 miles from Potten End.
Location: clockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.02 miles from Potten End.
Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.68 miles from Potten End.
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 : From 22:15 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.32 miles from Potten End.
Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 12.2 miles from Potten End.
Location: northbound entry slip at junction J1 (Slough) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.97 miles from Potten End.
Location: northbound entry slip at junction J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.66 miles from Potten End.
Location: northbound exit slip at junction J6 (Watford A405) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.68 miles from Potten End.
Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:30 on 30 January 2026.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.88 miles from Potten End.
Location: southbound between junctions J4 and J4A .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.65 miles from Potten End.
Location: southbound between junctions J4 and J4A .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.44 miles from Potten End.
Location: clockwise between junctions J15 (Slough) and J16 (M40) .
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 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.3 miles from Potten End.
Location: slip road to the M40 northbound from M25 north.
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 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.25 miles from Potten End.
Location: westbound entry slip at junction J4 .
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 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.75 miles from Potten End.
Location: northbound between junctions J4A and J4 .
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 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.09 miles from Potten End.
Location: clockwise entry slip at junction J15 (Slough) from M4 eastbound.
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 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.44 miles from Potten End.
Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
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 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.62 miles from Potten End.
Location: westbound between junctions J4 and J4B (Heathrow) .
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 January 2026 to 30 January 2026.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 18.66 miles from Potten End.
Location: eastbound exit slip at junction J4B (Heathrow) .
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 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.51 miles from Potten End.
Location: clockwise at junction J15 (Slough) .
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 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.89 miles from Potten End.
Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.62 miles from Potten End.
Location: eastbound at junction J8 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.98 miles from Potten End.
Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 28 January 2026 to 05:00 on 29 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.03 miles from Potten End.
Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 28 January 2026 to 23:59 on 2 February 2026.
Nearest town: 16.04 miles from Potten End.
Location: southbound between junctions J4 (High Wycombe) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.73 miles from Potten End.
Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 12.86 miles from Potten End.
Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.3 miles from Potten End.
Location: southbound.
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 14.3 miles from Potten End.
Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.54 miles from Potten End.
Location: southbound exit slip at junction J12 (Flitwick) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.94 miles from Potten End.
Location: southbound exit slip at junction J13 (Milton Keynes) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.73 miles from Potten End.
Location: southbound entry slip at junction J12 (Flitwick) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.71 miles from Potten End.
Location: northbound between junctions J6 (Watford A405) and J9 (Dunstable A5) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 05:00 on 29 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.92 miles from Potten End.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 8.83 miles from Potten End.
Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 6.4 miles from Potten End.
Location: southbound between junctions J9 (Dunstable A5) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 5.53 miles from Potten End.
Location: clockwise at junction J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.99 miles from Potten End.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 5.93 miles from Potten End.
Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 05:00 on 29 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 7.11 miles from Potten End.
Location: northbound entry slip at junction J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.5 miles from Potten End.
Location: northbound entry slip at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.57 miles from Potten End.
Location: anticlockwise at junction J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.74 miles from Potten End.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.94 miles from Potten End.
Location: northbound between junctions J5 (Harrow A41) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.32 miles from Potten End.
Location: northbound exit slip at junction J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.9 miles from Potten End.
Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.38 miles from Potten End.
Location: northbound exit slip at junction J11 (Luton) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.41 miles from Potten End.
Location: northbound between junctions J10 (Luton Airport) and J11A .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.01 miles from Potten End.
Location: northbound exit slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.99 miles from Potten End.
Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 21 February 2026 to 05:00 on 22 February 2026.
Schedule : From 22:00 on 21 March 2026 to 05:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.19 miles from Potten End.
Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 February 2026 to 05:00 on 20 February 2026.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.28 miles from Potten End.
Location: southbound exit slip at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.51 miles from Potten End.
Location: southbound entry slip at Toddington Services.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.91 miles from Potten End.
Location: southbound entry slip at junction J13 (Milton Keynes) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.57 miles from Potten End.
Location: eastbound exit slip at junction J8 (High Wycombe) .
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 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 11 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.98 miles from Potten End.
Location: eastbound at junction J8 (High Wycombe) .
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 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 11 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.98 miles from Potten End.
Location: eastbound between junctions J4 and J3 (Heathrow) .
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.14 miles from Potten End.
Location: eastbound entry slip at Heston Services.
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.98 miles from Potten End.
Location: eastbound exit slip at Heston Services.
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.88 miles from Potten End.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.61 miles from Potten End.
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 22:00 and 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 6.92 miles from Potten End.
Location: anticlockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.74 miles from Potten End.
Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.1 miles from Potten End.
Location: northbound at junction J6 (Watford A405) .
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 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.68 miles from Potten End.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 5.22 miles from Potten End.
Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 5.26 miles from Potten End.
Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
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 05:00 from 16 February 2026 to 21 February 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 February 2026 to 28 February 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 6.92 miles from Potten End.
Location: southbound between junctions J9 (Dunstable A5) 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 22:00 and 05:00 from 16 February 2026 to 21 February 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 February 2026 to 28 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.69 miles from Potten End.
Location: southbound entry slip at junction J9 (Dunstable A5) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 February 2026 to 21 February 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 February 2026 to 28 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.6 miles from Potten End.
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