Location: slip road to the M40 northbound from M25 north.
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Vehicle fire.
Time To Clear : The event is expected to clear between 23:45 and 00:00 on 16 June 2026.
Normal traffic conditions are expected between 23:45 and 00:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.38 miles from Harmondsworth.
Location: anticlockwise at junction J18 (Rickmansworth) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 22:45 and 23:00 on 15 June 2026.
Normal traffic conditions are expected between 22:45 and 23:00 on 15 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.03 miles from Harmondsworth.
Location: eastbound between junctions J3 (Woking) and J2 (Gatwick M23) .
Lane Closures : Lane one is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 20:00 and 20:15 on 15 June 2026.
Normal traffic conditions are expected between 20:00 and 20:15 on 15 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 7.38 miles from Harmondsworth.
Cross Deep (All Directions) junction with Grotto Road.
All closures have been removed - Traffic flows have returned to normal in the area
Nearest town: 7.17 miles from Harmondsworth.
Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 5.37 miles from Harmondsworth.
Leatherhead Road (Northbound).
Traffic is moving well.
Traffic is moving well.
Nearest town: 12.12 miles from Harmondsworth.
The Parkway (Northbound) at the junction of North Hyde Road - Road is now fully open.
Traffic is moving well.
Nearest town: 3.56 miles from Harmondsworth.
Western Avenue (Eastbound) near the junction with Alperton Lane - Collision - Lane one reopened.
Traffic is flowing well for the time of day.
Nearest town: 8.46 miles from Harmondsworth.
Lampton Road (Both Directions) at the junction of Alexandra Road - Temporary Traffic Signals to facilitate junction improvements works Traffic is flowing well.
Nearest town: 5.32 miles from Harmondsworth.
All lanes reopened.
Traffic is moving well.
Nearest town: 6.89 miles from Harmondsworth.
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: 5.07 miles from Harmondsworth.
Kymberley Road (One Way System) between Headstone Road and College Road - Road closure to facilitate resurfacing works
Nearest town: 9.37 miles from Harmondsworth.
Location: clockwise exit slip at junction J10 (Guildford) northbound.
Due to: Congestion.
Normal traffic conditions are expected between 23:15 and 23:30 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 11.27 miles from Harmondsworth.
Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 22:15 and 22:30 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 3.42 miles from Harmondsworth.
Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Due to: Congestion.
Normal traffic conditions are expected between 20:45 and 21:00 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.13 miles from Harmondsworth.
Location: eastbound exit slip to the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 19:30 and 19:45 on 15 June 2026.
Nearest town: 3.15 miles from Harmondsworth.
Location: eastbound between the M25 and the junction with the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 15 June 2026.
Nearest town: 3.14 miles from Harmondsworth.
Location: eastbound exit slip to the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 15 June 2026.
Nearest town: 3.15 miles from Harmondsworth.
Location: eastbound between the M25 and the junction with the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 15 June 2026.
Nearest town: 3.14 miles from Harmondsworth.
Location: clockwise at junction J14 (Heathrow Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 1.2 miles from Harmondsworth.
Location: eastbound between the junctions with the M25 and the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 15 June 2026.
Nearest town: 3.15 miles from Harmondsworth.
Location: southbound exit slip at junction J5 (Harrow A41) .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.16 miles from Harmondsworth.
Location: anticlockwise entry slip at junction J12 (Basingstoke) .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 5.92 miles from Harmondsworth.
Location: clockwise between junctions J10 (Guildford) and J11 (Chertsey) .
Due to: Roadworks.
Period : from 22:29 on 15 June 2026 to 05:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.97 miles from Harmondsworth.
Location: eastbound at junction J4 .
Due to: Roadworks.
Period : from 22:05 on 15 June 2026 to 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 1.71 miles from Harmondsworth.
Location: eastbound between junctions J4B (Heathrow) and J3 (Heathrow) .
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 1.59 miles from Harmondsworth.
Location: anticlockwise entry slip at junction J13 (A30) .
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 3.4 miles from Harmondsworth.
Location: anticlockwise between junctions J13 (A30) and J12 (Basingstoke) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of five lanes closed.
Nearest town: 3.59 miles from Harmondsworth.
Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Litter Clearance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 3.25 miles from Harmondsworth.
Location: eastbound entry slip at junction J7 (Slough) .
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.46 miles from Harmondsworth.
Location: southbound between the junctions with the A309 and the A244 .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 11.33 miles from Harmondsworth.
Location: anticlockwise at junction J13 (A30) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 3.11 miles from Harmondsworth.
Location: westbound entry slip at junction J4B (Heathrow) from the M25 anti-clockwise.
Lane Closures : The hard shoulder is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 05:30 on 25 July 2026.
Nearest town: 1.02 miles from Harmondsworth.
Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 3.21 miles from Harmondsworth.
Location: eastbound entry slip at junction J3 (Heathrow) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 3.5 miles from Harmondsworth.
Location: eastbound entry slip at Heston Services.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.43 miles from Harmondsworth.
Location: eastbound exit slip at Heston Services.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.18 miles from Harmondsworth.
Location: anticlockwise between junctions J10 (Guildford) and J9 (Leatherhead) .
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 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.96 miles from Harmondsworth.
Location: eastbound between junctions J2 (Gatwick M23) and J1 (Sunbury) .
Lane Closures : Lanes 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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.17 miles from Harmondsworth.
Location: westbound between junctions J1 (Sunbury) and J2 (Gatwick M23) .
Lane Closures : Lanes 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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.41 miles from Harmondsworth.
Location: southbound.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:30 on 24 June 2026.
Nearest town: 11.77 miles from Harmondsworth.
Location: southbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 24 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.99 miles from Harmondsworth.
Location: southbound between the junctions with the M25 and the A247 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 24 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.77 miles from Harmondsworth.
Location: westbound between the A315 and the junction with the A308 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:30 on 23 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.8 miles from Harmondsworth.
Location: anticlockwise between junctions J9 (Leatherhead) and J8 (Reigate) .
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 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.25 miles from Harmondsworth.
Location: anticlockwise entry slip at junction J9 (Leatherhead) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.42 miles from Harmondsworth.
Location: eastbound at junction 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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 29 June 2026 to 3 July 2026.
Schedule : From 23:00 on 3 July 2026 to 06:00 on 4 July 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 1.06 miles from Harmondsworth.
Location: eastbound between junctions J5 (Colnbrook) 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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 29 June 2026 to 3 July 2026.
Schedule : From 23:00 on 3 July 2026 to 06:00 on 4 July 2026.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 1.55 miles from Harmondsworth.
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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 29 June 2026 to 3 July 2026.
Schedule : From 23:00 on 3 July 2026 to 06:00 on 4 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.03 miles from Harmondsworth.
Location: clockwise between junctions J14 (Heathrow Airport) and J15 (Slough) .
Lane Closures : Lane six will closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 29 June 2026 to 3 July 2026.
Schedule : From 23:00 on 3 July 2026 to 06:00 on 4 July 2026.
Lanes Closed : There will be one of six lanes closed.
Nearest town: 0.76 miles from Harmondsworth.
Location: anticlockwise between junctions J12 (Basingstoke) and J11 (Chertsey) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Schedule : From 22:00 on 29 June 2026 to 05:30 on 30 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.8 miles from Harmondsworth.
Location: eastbound between the A308 and the junction with the A315 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:30 on 23 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 3.16 miles from Harmondsworth.
Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:00 on 23 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 9.1 miles from Harmondsworth.
Location: eastbound entry slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 22 June 2026 to 26 June 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 29 June 2026 to 3 July 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 6 July 2026 to 10 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.62 miles from Harmondsworth.
Location: westbound at junction J3 (Woking) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 22 June 2026 to 06:00 on 23 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.64 miles from Harmondsworth.
Location: westbound between junctions J2 (Gatwick M23) and J3 (Woking) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 22 June 2026 to 06:00 on 23 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 10.79 miles from Harmondsworth.
Location: anticlockwise entry slip at junction J14 (Heathrow Airport) from A3113.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.32 miles from Harmondsworth.
Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 1.83 miles from Harmondsworth.
Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 June 2026 to 19 June 2026.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 2.26 miles from Harmondsworth.
Location: clockwise between junctions J14 (Heathrow Airport) and J15 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of six lanes closed.
Nearest town: 0.76 miles from Harmondsworth.
Location: clockwise at junction J14 (Heathrow Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 1.72 miles from Harmondsworth.
Location: clockwise between junctions J13 (A30) and J14 (Heathrow Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 2.26 miles from Harmondsworth.
Location: anticlockwise.
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 0.61 miles from Harmondsworth.
Location: clockwise entry slip at junction J14 (Heathrow Airport) from Heathrow T5.
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 0.77 miles from Harmondsworth.
Location: westbound between junctions J2 (N.Circular) and J3 (Heathrow) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.9 miles from Harmondsworth.
Location: eastbound entry slip at junction J4 .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 June 2026 to 05:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 1.86 miles from Harmondsworth.
Location: northbound exit slip at junction J1A (Watford) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 5.56 miles from Harmondsworth.
Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 5.41 miles from Harmondsworth.
Location: anticlockwise between junctions J10 (Guildford) and J9 (Leatherhead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.9 miles from Harmondsworth.
Location: northbound at junction J1A (Watford) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 22 June 2026 to 25 June 2026.
Nearest town: 5.64 miles from Harmondsworth.
Location: anticlockwise between junctions J10 (Guildford) and J9 (Leatherhead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.78 miles from Harmondsworth.
Location: clockwise entry slip at junction J16 (M40) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 5.46 miles from Harmondsworth.
Location: eastbound between junctions J2 (Gatwick M23) and J1 (Sunbury) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.88 miles from Harmondsworth.
Location: eastbound between junctions J2 (Gatwick M23) and J1 (Sunbury) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.13 miles from Harmondsworth.
Location: westbound between junctions J1 (Sunbury) and J2 (Gatwick M23) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.89 miles from Harmondsworth.
Location: westbound between junctions J1 (Sunbury) and J2 (Gatwick M23) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.72 miles from Harmondsworth.
Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 21 June 2026 to 23:59 on 26 June 2026.
Nearest town: 6.58 miles from Harmondsworth.
Location: eastbound between junctions J3 (Woking) and J2 (Gatwick M23) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.78 miles from Harmondsworth.
Location: northbound between junctions J1 (North Circular) and J5 (Harrow A41) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 20 June 2026 to 26 June 2026.
Nearest town: 13.28 miles from Harmondsworth.
Location: eastbound entry slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.62 miles from Harmondsworth.
Location: eastbound at junction J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 2.64 miles from Harmondsworth.
Location: eastbound at junction J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 2.64 miles from Harmondsworth.
Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 5.17 miles from Harmondsworth.
Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 4.27 miles from Harmondsworth.
Location: westbound between the junctions with the A437 and the M40 .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.37 miles from Harmondsworth.
Location: clockwise between junctions J9 (Leatherhead) and J10 (Guildford) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.16 miles from Harmondsworth.
Location: southbound between the A245 and the junction with the M25 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Nearest town: 10.66 miles from Harmondsworth.
Location: southbound exit slip to the M25 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.02 miles from Harmondsworth.
Location: anticlockwise between junctions J11 (Chertsey) and J10 (Guildford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 8.37 miles from Harmondsworth.
Location: clockwise between junctions J10 (Guildford) and J11 (Chertsey) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:00 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 8.8 miles from Harmondsworth.
Location: northbound between the junctions with the M25 and the A245 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 10.84 miles from Harmondsworth.
Location: northbound between the junctions with the A245 and the A244 .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 10.45 miles from Harmondsworth.
Location: westbound exit slip to the A412 .
Lane Closures : Lane one is closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.42 miles from Harmondsworth.
Location: northbound entry slip at junction J1 (Slough) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 5.45 miles from Harmondsworth.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 7.35 miles from Harmondsworth.
Location: southbound between the M25 and the junction with the A247 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.02 miles from Harmondsworth.
Location: anticlockwise entry slip at junction J16 (M40) From M40 North.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 5.46 miles from Harmondsworth.
Location: eastbound exit slip at junction J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.64 miles from Harmondsworth.
Location: eastbound exit slip at junction J2 (Gatwick M23) .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.21 miles from Harmondsworth.
Location: anticlockwise entry slip at junction J12 (Basingstoke) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.06 miles from Harmondsworth.
Location: clockwise entry slip at junction J12 (Basingstoke) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.27 miles from Harmondsworth.
Location: eastbound at junction J2 (Gatwick M23) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.27 miles from Harmondsworth.
Location: southbound between the junctions with the A245 and the M25 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.66 miles from Harmondsworth.
Location: southbound between the A244 and the junction with the M25 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.39 miles from Harmondsworth.
Location: southbound between the A244 and the junction with the A247 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 22:00 on 18 June 2026 to 06:00 on 20 June 2026.
Nearest town: 10.39 miles from Harmondsworth.
Location: southbound between the M25 and the junction with the A247 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.6 miles from Harmondsworth.
Location: anticlockwise between junctions J20 (Hemel Hstead) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.87 miles from Harmondsworth.
Location: anticlockwise entry slip at junction J18 (Rickmansworth) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.95 miles from Harmondsworth.
Location: anticlockwise at junction J13 (A30) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 June 2026 to 19 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 2.9 miles from Harmondsworth.
Location: northbound between junctions J4A and J4 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 1.58 miles from Harmondsworth.
Location: northbound between junctions J4A and J4 .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 1.6 miles from Harmondsworth.
Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 2.76 miles from Harmondsworth.
Location: eastbound between junctions J5 (Colnbrook) and J4B (Heathrow) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 2.02 miles from Harmondsworth.
Location: anticlockwise exit slip at junction J13 (A30) .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 June 2026 to 19 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.9 miles from Harmondsworth.
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