Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 15.55 miles from Knowl Hill.

The Parkway (Northbound) at the junction of North Hyde Road - Road is now fully open.
Traffic is moving well.
Nearest town: 17.61 miles from Knowl Hill.

Lampton Road (Both Directions) at the junction of Alexandra Road - Temporary Traffic Signals to facilitate junction improvements works Traffic is flowing well.
Nearest town: 19.62 miles from Knowl Hill.

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: 19.32 miles from Knowl Hill.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 10:30 and 10:45 on 5 July 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.02 miles from Knowl Hill.

Location: eastbound between the junctions with the M25 and the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 09:15 and 09:30 on 5 July 2025.
Nearest town: 14.5 miles from Knowl Hill.

Location: southbound between junctions J4 and J4A .
Due to: Congestion.
Normal traffic conditions are expected between 08:15 and 08:30 on 5 July 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.78 miles from Knowl Hill.

Location: eastbound between junctions J12 (Reading) and J11 (Basingstoke) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : from 04:42 on 5 July 2025 to 07:00 on 5 July 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 9.96 miles from Knowl Hill.

Location: westbound between junctions J1 (Sunbury) and J2 (Gatwick M23) .
Due to: Roadworks.
Period : from 23:29 on 4 July 2025 to 05:00 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.08 miles from Knowl Hill.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 5 July 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 8.25 miles from Knowl Hill.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 5 July 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 8.86 miles from Knowl Hill.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Road repairs.
Period : expect disruption until 23:59 on 7 July 2025.
Nearest town: 9.74 miles from Knowl Hill.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 16.49 miles from Knowl Hill.

Location: anticlockwise entry slip at junction J17 (Maple Cross) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 16.15 miles from Knowl Hill.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Road repairs.
Lanes Closed : There are three of four lanes closed.
Nearest town: 17.05 miles from Knowl Hill.

Location: westbound between the A312 and the junction with the M3 .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Litter Clearance.
Period : expect disruption until 05:00 on 5 July 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 18.59 miles from Knowl Hill.

Location: westbound entry slip at junction J1 (Sunbury) .
Due to: Litter Clearance.
Period : expect disruption until 05:00 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.22 miles from Knowl Hill.

Location: westbound entry slip at Heston Services.
Due to: Road repairs.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.36 miles from Knowl Hill.

Location: westbound exit slip at Heston Services.
Due to: Road repairs.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.6 miles from Knowl Hill.

Location: westbound exit slip at junction J3 (Heathrow) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 17.88 miles from Knowl Hill.

Location: eastbound between junctions J4 and J3 (Heathrow) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 5 July 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 16.49 miles from Knowl Hill.

Location: eastbound entry slip at junction J3 (Heathrow) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 17.66 miles from Knowl Hill.

Location: eastbound entry slip at Heston Services.
Due to: Road repairs.
Period : expect disruption until 05:30 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.67 miles from Knowl Hill.

Location: eastbound between junctions J3 (Heathrow) and J1 (London) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 17.36 miles from Knowl Hill.

Location: eastbound exit slip at Heston Services.
Due to: Road repairs.
Period : expect disruption until 05:30 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.41 miles from Knowl Hill.

Location: clockwise between junctions J10 (Guildford) and J11 (Chertsey) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 31 December 2025.
Nearest town: 19.84 miles from Knowl Hill.

Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : Lanes 2, 3, 4 and 5 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : There will be four of five lanes closed.
Nearest town: 13.41 miles from Knowl Hill.

Location: anticlockwise at junction J14 (Heathrow Airport) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.66 miles from Knowl Hill.

Location: anticlockwise entry slip at junction J13 (A30) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.2 miles from Knowl Hill.

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 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.57 miles from Knowl Hill.

Location: southbound between junctions J8A (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 11 July 2025 to 06:00 on 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.77 miles from Knowl Hill.

Location: southbound entry slip at junction J6 (Thame) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 11 July 2025 to 06:00 on 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.11 miles from Knowl Hill.

Location: westbound between junctions J5 (Hook) and J6 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 July 2025 to 06:00 on 12 July 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 July 2025 to 19 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.9 miles from Knowl Hill.

Location: westbound entry slip at Heston Services.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 6 July 2025 to 05:30 on 7 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.36 miles from Knowl Hill.

Location: westbound exit slip at junction J3 (Heathrow) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 6 July 2025 to 05:30 on 7 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.88 miles from Knowl Hill.

Location: westbound exit slip at Heston Services.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 6 July 2025 to 05:30 on 7 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.6 miles from Knowl Hill.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 12:00 on 11 July 2025 to 21:00 on 8 August 2025.
Nearest town: 11.87 miles from Knowl Hill.

Location: westbound entry slip at junction J3 (Woking) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 12:00 on 11 July 2025 to 21:00 on 11 July 2025.
Schedule : From 12:00 on 8 August 2025 to 21:00 on 8 August 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.92 miles from Knowl Hill.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 12:00 on 11 July 2025 to 20:00 on 11 July 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 11.9 miles from Knowl Hill.

Location: westbound at junction J3 (Woking) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 12:00 on 11 July 2025 to 20:00 on 11 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.87 miles from Knowl Hill.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 July 2025 to 10 July 2025.
Schedule : From 20:00 on 11 July 2025 to 06:00 on 12 July 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 July 2025 to 16 July 2025.
Schedule : From 20:00 on 17 July 2025 to 06:00 on 18 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.46 miles from Knowl Hill.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 July 2025 to 05:30 on 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.84 miles from Knowl Hill.

Location: southbound between junctions J8A (Thame) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 10 July 2025 to 06:00 on 11 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.71 miles from Knowl Hill.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 July 2025 to 05:30 on 11 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 9.49 miles from Knowl Hill.

Location: southbound exit slip at junction J5 (High Wycombe) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 10 July 2025 to 06:00 on 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.69 miles from Knowl Hill.

Location: northbound exit slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 July 2025 to 05:30 on 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.84 miles from Knowl Hill.

Location: southbound entry slip at junction J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 10 July 2025 to 06:00 on 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.53 miles from Knowl Hill.

Location: clockwise between junctions J14 (Heathrow Airport) and J15 (Slough) .
Lane Closures : Lanes 4 and 5 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : There will be two of six lanes closed.
Nearest town: 13.71 miles from Knowl Hill.

Location: clockwise at junction J14 (Heathrow Airport) .
Lane Closures : Lane four will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.52 miles from Knowl Hill.

Location: slip road to the M40 northbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.03 miles from Knowl Hill.

Location: clockwise between junctions J15 (Slough) from M4 eastbound and J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.79 miles from Knowl Hill.

Location: slip road to the M40 southbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13 miles from Knowl Hill.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.4 miles from Knowl Hill.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.01 miles from Knowl Hill.

Location: anticlockwise exit slip at junction J18 (Rickmansworth) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.68 miles from Knowl Hill.

Location: anticlockwise entry slip at junction J18 (Rickmansworth) .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.45 miles from Knowl Hill.

Location: eastbound between junctions J5 (Colnbrook) and J4B (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 12.38 miles from Knowl Hill.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Lane Closures : Lane one will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.2 miles from Knowl Hill.

Location: clockwise at junction J15 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 10 July 2025 to 05:00 on 11 July 2025.
Schedule : From 23:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.02 miles from Knowl Hill.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 10 July 2025 to 06:00 on 11 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 7.74 miles from Knowl Hill.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 July 2025 to 11 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.9 miles from Knowl Hill.

Location: westbound at junction J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 July 2025 to 11 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.86 miles from Knowl Hill.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 July 2025 to 06:00 on 26 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 11.9 miles from Knowl Hill.

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 25 July 2025 to 06:00 on 26 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.86 miles from Knowl Hill.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 9 July 2025 to 06:00 on 26 July 2025.
Nearest town: 11.86 miles from Knowl Hill.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 8 July 2025 to 06:00 on 9 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.96 miles from Knowl Hill.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 8 July 2025 to 05:30 on 9 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.84 miles from Knowl Hill.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 9 July 2025 to 05:30 on 10 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.84 miles from Knowl Hill.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 8 July 2025 to 05:30 on 9 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 9.49 miles from Knowl Hill.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 9 July 2025 to 05:30 on 10 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 9.49 miles from Knowl Hill.

Location: clockwise at junction J11 (Chertsey) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 8 July 2025 to 05:00 on 9 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.29 miles from Knowl Hill.

Location: clockwise between junctions J10 (Guildford) and J11 (Chertsey) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 8 July 2025 to 05:00 on 9 July 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.02 miles from Knowl Hill.

Location: westbound between the junctions with the A315 and the A308 .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 7 July 2025 to 05:30 on 8 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.09 miles from Knowl Hill.

Location: clockwise exit slip at junction J11 (Chertsey) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 8 July 2025 to 05:00 on 9 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.29 miles from Knowl Hill.

Location: southbound between junctions J1A (Watford) and J1 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 9 July 2025 to 06:00 on 10 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.68 miles from Knowl Hill.

Location: slip road to the M40 southbound from M25 south.
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 9 July 2025 to 06:00 on 10 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.04 miles from Knowl Hill.

Location: slip road to the M40 southbound from M25 north.
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 9 July 2025 to 06:00 on 10 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13 miles from Knowl Hill.

Location: eastbound entry slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.8 miles from Knowl Hill.

Location: eastbound exit slip at junction J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 6.98 miles from Knowl Hill.

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 : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 12 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.01 miles from Knowl Hill.

Location: eastbound at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 12 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.37 miles from Knowl Hill.

Location: eastbound between junctions J8 (High Wycombe) and J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 12 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 5.81 miles from Knowl Hill.

Location: eastbound entry slip at junction J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.17 miles from Knowl Hill.

Location: eastbound exit slip at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 12 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.37 miles from Knowl Hill.

Location: westbound between junctions J2 (N.Circular) and J4B (Heathrow) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 22:00 on 8 July 2025 to 05:30 on 10 July 2025.
Nearest town: 19.06 miles from Knowl Hill.

Location: northbound entry slip at junction J1A (Watford) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 09:30 on 9 July 2025 to 16:00 on 9 July 2025.
Nearest town: 13.06 miles from Knowl Hill.

Location: anticlockwise at junction J16 (M40) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 09:30 on 9 July 2025 to 16:00 on 9 July 2025.
Nearest town: 13.03 miles from Knowl Hill.

Location: eastbound between junctions J4B (Heathrow) and J3 (Heathrow) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 22:00 on 8 July 2025 to 05:30 on 10 July 2025.
Nearest town: 14.15 miles from Knowl Hill.

Location: eastbound at junction J3 (Heathrow) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 8 July 2025 to 10 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.36 miles from Knowl Hill.

Location: eastbound between junctions J4 and J3 (Heathrow) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 8 July 2025 to 10 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.54 miles from Knowl Hill.

Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : Lanes 2, 3, 4 and 5 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 8 July 2025 to 05:00 on 9 July 2025.
Lanes Closed : There will be four of five lanes closed.
Nearest town: 13.41 miles from Knowl Hill.

Location: anticlockwise at junction J14 (Heathrow Airport) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 8 July 2025 to 05:00 on 9 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.66 miles from Knowl Hill.

Location: westbound between junctions J2 (N.Circular) and J3 (Heathrow) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 8 July 2025 to 10 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.06 miles from Knowl Hill.

Location: anticlockwise entry slip at junction J13 (A30) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 8 July 2025 to 05:00 on 9 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.2 miles from Knowl Hill.

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 22:00 on 8 July 2025 to 05:00 on 9 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.57 miles from Knowl Hill.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 8 July 2025 to 10 July 2025.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 14.69 miles from Knowl Hill.

Location: eastbound at junction J4B (Heathrow) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 8 July 2025 to 10 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.15 miles from Knowl Hill.

Location: westbound at junction J4B (Heathrow) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 8 July 2025 to 10 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.55 miles from Knowl Hill.

Location: westbound between junctions J4 and J4B (Heathrow) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 8 July 2025 to 10 July 2025.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 15.3 miles from Knowl Hill.

Location: westbound between junctions J3 (Heathrow) and J4 .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 8 July 2025 to 10 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.12 miles from Knowl Hill.

Location: southbound between the A308 and the junction with the A4 .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 8 July 2025 to 06:00 on 9 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 3.74 miles from Knowl Hill.

Location: southbound entry slip from the A4130 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 8 July 2025 to 06:00 on 9 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 2.34 miles from Knowl Hill.

Location: southbound exit slip to the A4130 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 8 July 2025 to 06:00 on 9 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 2.67 miles from Knowl Hill.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 July 2025 to 9 July 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 July 2025 to 12 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.51 miles from Knowl Hill.

Location: southbound between junctions J2 (Beaconsfield) 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 21:00 and 06:00 from 7 July 2025 to 9 July 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 July 2025 to 12 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.06 miles from Knowl Hill.

Location: clockwise at junction J16 (M40) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 7 July 2025 to 9 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.03 miles from Knowl Hill.

Location: northbound exit slip at junction J1A (Watford) .
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 7 July 2025 to 9 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.48 miles from Knowl Hill.

Location: anticlockwise entry slip at junction J11 (Chertsey) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 7 July 2025 to 05:30 on 8 July 2025.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 July 2025 to 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.13 miles from Knowl Hill.

Location: anticlockwise at junction 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 7 July 2025 to 05:30 on 8 July 2025.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 July 2025 to 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.05 miles from Knowl Hill.

Location: clockwise entry slip at junction J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 7 July 2025 to 9 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.71 miles from Knowl Hill.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
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 7 July 2025 to 9 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.37 miles from Knowl Hill.

Location: clockwise entry slip at junction J16 (M40) .
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 7 July 2025 to 9 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.17 miles from Knowl Hill.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 7 July 2025 to 05:00 on 8 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.93 miles from Knowl Hill.

Location: anticlockwise between junctions J11 (Chertsey) and J10 (Guildford) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 7 July 2025 to 05:30 on 8 July 2025.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 July 2025 to 11 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.41 miles from Knowl Hill.

Location: anticlockwise entry slip at junction J16 (M40) From M40 North.
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 7 July 2025 to 9 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.17 miles from Knowl Hill.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
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 7 July 2025 to 9 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.09 miles from Knowl Hill.

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 : Expect disruption everyday between 22:00 and 05:00 from 7 July 2025 to 9 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.9 miles from Knowl Hill.

Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 7 July 2025 to 05:00 on 8 July 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.95 miles from Knowl Hill.

Location: northbound entry slip from the A4 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 7 July 2025 to 06:00 on 8 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 2.57 miles from Knowl Hill.

Location: The A404M northbound exit slip at junction J9B .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 7 July 2025 to 06:00 on 8 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 2.59 miles from Knowl Hill.

Location: eastbound entry slip at junction J11 (Basingstoke) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 7 July 2025 to 06:00 on 8 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 9.05 miles from Knowl Hill.

Location: southbound at junction J1A (Watford) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 7 July 2025 to 15:30 on 7 July 2025.
Nearest town: 13.16 miles from Knowl Hill.

Location: anticlockwise between junctions J11 (Chertsey) and J10 (Guildford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 8 July 2025 to 05:30 on 9 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.68 miles from Knowl Hill.

Location: eastbound exit slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 8 July 2025 to 12 July 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 14 July 2025 to 18 July 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 21 July 2025 to 26 July 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 July 2025 to 2 August 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.57 miles from Knowl Hill.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 July 2025 to 10 July 2025.
Schedule : From 20:00 on 11 July 2025 to 06:00 on 12 July 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 July 2025 to 16 July 2025.
Schedule : From 20:00 on 17 July 2025 to 06:00 on 18 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.36 miles from Knowl Hill.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8 August 2025 to 06:00 on 9 August 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 12.2 miles from Knowl Hill.

Location: westbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 20 October 2025 to 23 October 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.87 miles from Knowl Hill.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 7 July 2025 to 12 July 2025.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 14 July 2025 to 19 July 2025.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 21 July 2025 to 26 July 2025.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 28 July 2025 to 2 August 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.14 miles from Knowl Hill.
