Location: eastbound between junctions J4B (Heathrow) and J4 .
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 01:00 and 01:15 on 29 January 2026.
Normal traffic conditions are expected between 01:00 and 01:15 on 29 January 2026.
Lanes Closed : There is one of five lanes closed.
Nearest town: 14.16 miles from Penn Street.

Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 10.94 miles from Penn Street.

Horn Lane (All Directions) at the junction of Rectory Road - Three-way temporary signals in operation to facilitate works by BT.
Traffic is flowing well in the area.
Nearest town: 19.87 miles from Penn Street.

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: 19.37 miles from Penn Street.

The Parkway (Northbound) at the junction of North Hyde Road - Road is now fully open.
Traffic is moving well.
Nearest town: 15.6 miles from Penn Street.

Watling Avenue (All Directions) at the junction of Orange Hill Road .
Traffic signals have been restored.
Traffic signals have been restored.
Nearest town: 17.91 miles from Penn Street.

Western Avenue (Eastbound) near the junction of Victoria Road lane one blocked by a broken down van.
Vehicle has been recovered.
Traffis is flowing well.
Nearest town: 19.83 miles from Penn Street.

Western Avenue (Eastbound) near the junction with Alperton Lane - Collision - Lane one reopened.
Traffic is flowing well for the time of day.
Nearest town: 17.72 miles from Penn Street.

All lanes reopened.
Traffic is moving well.
Nearest town: 17.93 miles from Penn Street.

Forty Avenue (All Directions) at the junction of Preston Road.
Lane restrictions in place due to a collision.
The road has reopened.
Nearest town: 17.5 miles from Penn Street.

Kymberley Road (One Way System) between Headstone Road and College Road - Road closure to facilitate resurfacing works
Nearest town: 15.21 miles from Penn Street.

High Street Harlesden (All Directions) at the junction of Wendover Road - Faulty traffic signals The traffic signals have been repaired.
Nearest town: 19.99 miles from Penn Street.

Lampton Road (Both Directions) at the junction of Alexandra Road - Temporary signals in operation to facilitate resurfacing works.
Nearest town: 18.16 miles from Penn Street.

Heston Road (All Directions) at the junction of Wheatlands - Temporary signals in operation to facilitate resurfacing works.
Expect some delays while the restrictions are in place.
Nearest town: 17.32 miles from Penn Street.

Location: westbound between the junctions with the A308 and the M25 .
Due to: Congestion.
Normal traffic conditions are expected between 20:15 and 20:30 on 28 January 2026.
Nearest town: 16.76 miles from Penn Street.

Location: clockwise at junction J14 (Heathrow Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 28 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.66 miles from Penn Street.

Location: westbound between junctions J2 (Gatwick M23) and J3 (Woking) .
Due to: Congestion.
Normal traffic conditions are expected between 19:30 and 19:45 on 28 January 2026.
Cause : Broken down vehicle.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.62 miles from Penn Street.

Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 28 January 2026.
Nearest town: 12.85 miles from Penn Street.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Due to: Roadworks.
Period : from 23:08 on 28 January 2026 to 05:30 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.06 miles from Penn Street.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Due to: Roadworks.
Period : from 22:38 on 28 January 2026 to 05:30 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.07 miles from Penn Street.

Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
Due to: Roadworks.
Period : from 22:02 on 28 January 2026 to 05:00 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.17 miles from Penn Street.

Location: northbound between the junctions with the A4130 and the A308 .
Due to: Roadworks.
Period : from 19:47 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.66 miles from Penn Street.

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 22:00 on 29 January 2026 to 05:30 on 30 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 7.01 miles from Penn Street.

Location: clockwise at junction J13 (A30) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 16.06 miles from Penn Street.

Location: clockwise exit slip at junction J13 (A30) .
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.06 miles from Penn Street.

Location: clockwise between junctions J12 (Basingstoke) and J13 (A30) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : There are three of five lanes closed.
Nearest town: 16.91 miles from Penn Street.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 19:00 on 28 January 2026.
Nearest town: 14.82 miles from Penn Street.

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: 19.69 miles from Penn Street.

Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : The hard shoulder is closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 29 January 2026.
Nearest town: 19.23 miles from Penn Street.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 29 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 13.01 miles from Penn Street.

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: 18.08 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 9.65 miles from Penn Street.

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: 19.34 miles from Penn Street.

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: 19.32 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 15.05 miles from Penn Street.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.21 miles from Penn Street.

Location: slip road to the M40 northbound from M25 north.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.24 miles from Penn Street.

Location: westbound entry slip at junction J4 .
Lane Closures : Lane one is closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.47 miles from Penn Street.

Location: northbound between junctions J4A and J4 .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 14.74 miles from Penn Street.

Location: clockwise entry slip at junction J15 (Slough) from M4 eastbound.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.27 miles from Penn Street.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Planned Roadworks.
Period : expect disruption until 06:00 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.61 miles from Penn Street.

Location: westbound between junctions J4 and J4B (Heathrow) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : There are two of five lanes closed.
Nearest town: 14.18 miles from Penn Street.

Location: eastbound exit slip at junction J4B (Heathrow) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.23 miles from Penn Street.

Location: clockwise at junction J15 (Slough) .
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.72 miles from Penn Street.

Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 29 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 10.92 miles from Penn Street.

Location: eastbound at junction J8 (High Wycombe) .
Lane Closures : Lane three is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 29 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 11.16 miles from Penn Street.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 29 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 11.91 miles from Penn Street.

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 2 February 2026.
Nearest town: 7.57 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 3.6 miles from Penn Street.

Location: southbound.
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 5.14 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.4 miles from Penn Street.

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: 4.06 miles from Penn Street.

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: 7.2 miles from Penn Street.

Location: northbound between junctions J6 (Watford A405) and J9 (Dunstable A5) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 29 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 13.01 miles from Penn Street.

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: 14.29 miles from Penn Street.

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: 11.94 miles from Penn Street.

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: 14.04 miles from Penn Street.

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: 12.64 miles from Penn Street.

Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Lane Closures : The hard shoulder, lanes 2, 3 and 4 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 29 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 16.38 miles from Penn Street.

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: 13.44 miles from Penn Street.

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: 13.03 miles from Penn Street.

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: 12.98 miles from Penn Street.

Location: eastbound exit slip at Heston Services.
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.62 miles from Penn Street.

Location: anticlockwise between junctions J23 (Hatfield) and J21A (Watword) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 4 February 2026 to 05:30 on 5 February 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.12 miles from Penn Street.

Location: northbound between junctions J5 (Harrow A41) 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 4 February 2026 to 05:30 on 5 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.05 miles from Penn Street.

Location: northbound entry slip at London Gateway Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 4 February 2026 to 6 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.38 miles from Penn Street.

Location: southbound between junctions J11A and J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 4 February 2026 to 05:00 on 5 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.05 miles from Penn Street.

Location: anticlockwise exit slip at junction J22 (St Albans) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 4 February 2026 to 05:30 on 5 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.6 miles from Penn Street.

Location: clockwise exit slip at junction J22 (St Albans) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 4 February 2026 to 05:30 on 5 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.32 miles from Penn Street.

Location: anticlockwise entry slip at junction J22 (St Albans) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 4 February 2026 to 05:30 on 5 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.22 miles from Penn Street.

Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 4 February 2026 to 05:30 on 5 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.11 miles from Penn Street.

Location: clockwise between junctions J22 (St Albans) and J23 (Hatfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 4 February 2026 to 05:30 on 5 February 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.3 miles from Penn Street.

Location: clockwise entry slip at junction J22 (St Albans) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 4 February 2026 to 05:30 on 5 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.39 miles from Penn Street.

Location: northbound between junctions J10 (Luton Airport) and J11 (Luton) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:00 on 3 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.54 miles from Penn Street.

Location: northbound at junction J10 (Luton Airport) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:00 on 3 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.34 miles from Penn Street.

Location: westbound between junctions J3 (Heathrow) and J4 .
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 05:30 on 31 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.5 miles from Penn Street.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 1 February 2026 to 06:00 on 2 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 4 miles from Penn Street.

Location: anticlockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 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 : All lanes will be closed.
Nearest town: 10.4 miles from Penn Street.

Location: anticlockwise between junctions J21 (M1) and J20 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 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 three of four lanes closed.
Nearest town: 11.94 miles from Penn Street.

Location: anticlockwise entry slip at junction J20 (Hemel Hstead) .
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 : All lanes will be closed.
Nearest town: 10.25 miles from Penn Street.

Location: westbound between the junctions with the A315 and the A308 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 4 February 2026 to 16:00 on 4 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.1 miles from Penn Street.

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: 3.96 miles from Penn Street.

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 : 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: 14.95 miles from Penn Street.

Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Road repairs are 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: 17.34 miles from Penn Street.

Location: southbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 3 February 2026 to 06:00 on 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.3 miles from Penn Street.

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: 13.81 miles from Penn Street.

Location: anticlockwise exit slip at junction J14 (Heathrow Airport) for A3113.
Lane Closures : Lane one will be closed.
Due to: Roadworks 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 two lanes closed.
Nearest town: 14.71 miles from Penn Street.

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: 15.78 miles from Penn Street.

Location: westbound between the A3044 and the junction with the M25 .
Due to: Roadworks 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: 15.29 miles from Penn Street.

Location: westbound.
Due to: Roadworks 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: 15.14 miles from Penn Street.

Location: eastbound.
Due to: Roadworks 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: 15.06 miles from Penn Street.

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: 7.37 miles from Penn Street.

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: 7.64 miles from Penn Street.

Location: eastbound between the M25 and the junction with the A3044 .
Due to: Roadworks 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: 14.73 miles from Penn Street.

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: 13.42 miles from Penn Street.

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: 13.65 miles from Penn Street.

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: 13.61 miles from Penn Street.

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: 14.41 miles from Penn Street.

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: 19.43 miles from Penn Street.

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: 14.51 miles from Penn Street.

Location: eastbound between the junctions with the A308 and the A315 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 3 February 2026 to 16:00 on 3 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.95 miles from Penn Street.

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: 6.74 miles from Penn Street.

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: 14.52 miles from Penn Street.

Location: eastbound at junction J2 (N.Circular) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 February 2026 to 6 February 2026.
Schedule : From 23:00 on 6 February 2026 to 05:00 on 7 February 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 February 2026 to 13 February 2026.
Schedule : From 23:00 on 13 February 2026 to 05:00 on 14 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.62 miles from Penn Street.

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: 19.49 miles from Penn Street.

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: 9.24 miles from Penn Street.

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: 15.9 miles from Penn Street.

Location: eastbound exit slip at junction J1 (Sunbury) .
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: 19.62 miles from Penn Street.

Location: eastbound between junctions J2 (Gatwick M23) and J1 (Sunbury) .
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: 19.63 miles from Penn Street.

Location: eastbound between junctions J2 (Gatwick M23) and J1 (Sunbury) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs 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 06:00 on 7 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.73 miles from Penn Street.

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: 9.24 miles from Penn Street.

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: 10.15 miles from Penn Street.

Location: eastbound between junctions J3 (Woking) and J2 (Gatwick M23) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs 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 06:00 on 7 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.78 miles from Penn Street.

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: 8.83 miles from Penn Street.

Location: westbound between junctions J1 (Sunbury) and J2 (Gatwick M23) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Barrier repairs 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 06:00 on 7 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.98 miles from Penn Street.

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: 13.44 miles from Penn Street.

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: 12.95 miles from Penn Street.

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: 12.96 miles from Penn Street.

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: 14.22 miles from Penn Street.

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: 12.99 miles from Penn Street.

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: 6.72 miles from Penn Street.

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: 6.98 miles from Penn Street.

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: 19.74 miles from Penn Street.

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: 18.88 miles from Penn Street.

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: 19.43 miles from Penn Street.

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: 19.44 miles from Penn Street.

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: 19.42 miles from Penn Street.

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: 10.66 miles from Penn Street.

Location: eastbound between junctions J2 (N.Circular) and J1 (London) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 February 2026 to 6 February 2026.
Schedule : From 23:00 on 6 February 2026 to 05:00 on 7 February 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 February 2026 to 13 February 2026.
Schedule : From 23:00 on 13 February 2026 to 05:00 on 14 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.61 miles from Penn Street.

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: 13.58 miles from Penn Street.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 2 February 2026 to 06:00 on 3 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.92 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 6.82 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 8.34 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 8.41 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 10.7 miles from Penn Street.

Location: eastbound between the A308 and the junction with the A315 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 2 February 2026 to 16:00 on 2 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.81 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 3.72 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 5.39 miles from Penn Street.

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: 5.82 miles from Penn Street.

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: 4.29 miles from Penn Street.

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: 8.67 miles from Penn Street.

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: 10.49 miles from Penn Street.

Location: anticlockwise entry slip at junction J13 (A30) .
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: 15.85 miles from Penn Street.

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: 9.38 miles from Penn Street.

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: 9.26 miles from Penn Street.

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: 12.94 miles from Penn Street.

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: 12.64 miles from Penn Street.

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: 10.26 miles from Penn Street.

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: 13.23 miles from Penn Street.

Location: westbound between the junctions with the A308 and the M25 .
Lane Closures : Lane one 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: 16.74 miles from Penn Street.

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: 8.6 miles from Penn Street.

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: 10.03 miles from Penn Street.

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: 9.55 miles from Penn Street.

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: 6.51 miles from Penn Street.

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: 4.08 miles from Penn Street.

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: 9.89 miles from Penn Street.

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: 12.81 miles from Penn Street.

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: 12.89 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 15.21 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 3.71 miles from Penn Street.

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 29 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.14 miles from Penn Street.

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: 14.86 miles from Penn Street.

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: 15.7 miles from Penn Street.

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: 18.58 miles from Penn Street.

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: 17.21 miles from Penn Street.

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: 15.53 miles from Penn Street.

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: 18.44 miles from Penn Street.

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: 17.31 miles from Penn Street.

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: 19.74 miles from Penn Street.

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: 19.16 miles from Penn Street.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 2 February 2026 to 06:00 on 11 February 2026.
Nearest town: 11.91 miles from Penn Street.

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: 11.16 miles from Penn Street.

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: 11.16 miles from Penn Street.

Location: eastbound between junctions J10 (Reading) and 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 four lanes closed.
Nearest town: 11.91 miles from Penn Street.

Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.89 miles from Penn Street.

Location: eastbound between junctions J4 and J3 (Heathrow) .
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.38 miles from Penn Street.

Location: eastbound entry slip at Heston Services.
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.82 miles from Penn Street.

Location: eastbound exit slip at junction J2 (N.Circular) .
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 29 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.62 miles from Penn Street.

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: 12.84 miles from Penn Street.

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: 13.01 miles from Penn Street.

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: 13.44 miles from Penn Street.

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: 12.95 miles from Penn Street.

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: 12.89 miles from Penn Street.

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: 13.31 miles from Penn Street.

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: 12.96 miles from Penn Street.

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: 16.18 miles from Penn Street.

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: 15.91 miles from Penn Street.

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: 15.78 miles from Penn Street.
