Location: westbound exit slip at junction J3 (Woking) .
Lane Closures : Lane one is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 16:45 and 17:00 on 12 December 2025.
Normal traffic conditions are expected between 16:45 and 17:00 on 12 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.86 miles from Lower Assendon.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 16:45 and 17:00 on 12 December 2025.
Normal traffic conditions are expected between 17:15 and 17:30 on 12 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 8.36 miles from Lower Assendon.

Location: anticlockwise between junctions J13 (A30) and J12 (Basingstoke) .
Lane Closures : Lane five is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 15:00 and 15:15 on 12 December 2025.
Normal traffic conditions are expected between 15:30 and 15:45 on 12 December 2025.
Lanes Closed : There is one of five lanes closed.
Nearest town: 18.17 miles from Lower Assendon.

Location: anticlockwise between junctions J13 (A30) and J12 (Basingstoke) .
Lane Closures : Lanes 3, 4 and 5 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 13:15 and 13:30 on 12 December 2025.
Normal traffic conditions are expected between 14:00 and 14:15 on 12 December 2025.
Lanes Closed : There are three of five lanes closed.
Nearest town: 18.19 miles from Lower Assendon.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
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 12:45 and 13:00 on 12 December 2025.
Normal traffic conditions are expected between 13:15 and 13:30 on 12 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 16.81 miles from Lower Assendon.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Road traffic collision.
Status : Cleared.
Nearest town: 18.14 miles from Lower Assendon.

Location: northbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two is closed.
Due to: Road Management.
Time To Clear : The event is expected to clear between 22:45 and 23:00 on 12 December 2025.
Normal traffic conditions are expected between 22:45 and 23:00 on 12 December 2025.
Lanes Closed : There is one of two lanes closed.
Previous
Due to: Following an earlier police incident.
Nearest town: 12.91 miles from Lower Assendon.

Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 19.23 miles from Lower Assendon.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Due to: Congestion.
Normal traffic conditions are expected between 16:30 and 16:45 on 12 December 2025.
Nearest town: 12.67 miles from Lower Assendon.

Location: anticlockwise entry slip at junction J12 (Basingstoke) .
Due to: Congestion.
Normal traffic conditions are expected between 16:30 and 16:45 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.33 miles from Lower Assendon.

Location: eastbound between the junctions with the M25 and the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 16:15 and 16:30 on 12 December 2025.
Nearest town: 19.52 miles from Lower Assendon.

Location: northbound at the junction with the A4130 .
Due to: Congestion.
Normal traffic conditions are expected between 17:00 and 17:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 5.77 miles from Lower Assendon.

Location: clockwise at junction J14 (Heathrow Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 15:45 and 16:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.46 miles from Lower Assendon.

Location: anticlockwise entry slip at junction J12 (Basingstoke) .
Due to: Congestion.
Normal traffic conditions are expected between 16:00 and 16:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.33 miles from Lower Assendon.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 15:30 and 15:45 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.53 miles from Lower Assendon.

Location: anticlockwise entry slip at junction J12 (Basingstoke) .
Due to: Congestion.
Normal traffic conditions are expected between 15:15 and 15:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.33 miles from Lower Assendon.

Location: eastbound between the M25 and the junction with the A315 .
Due to: Congestion.
Normal traffic conditions are expected between 14:00 and 14:15 on 12 December 2025.
Nearest town: 19.52 miles from Lower Assendon.

Location: eastbound exit slip to the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 14:00 and 14:15 on 12 December 2025.
Nearest town: 19.53 miles from Lower Assendon.

Location: clockwise exit slip at junction J14 (Heathrow Airport) for A3113.
Due to: Congestion.
Normal traffic conditions are expected between 14:00 and 14:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.37 miles from Lower Assendon.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 14:15 and 14:30 on 12 December 2025.
Nearest town: 18.53 miles from Lower Assendon.

Location: anticlockwise entry slip at junction J12 (Basingstoke) .
Due to: Congestion.
Normal traffic conditions are expected between 14:00 and 14:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.33 miles from Lower Assendon.

Location: eastbound at the junction with the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 13:45 and 14:00 on 12 December 2025.
Nearest town: 19.52 miles from Lower Assendon.

Location: eastbound exit slip to the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 13:30 and 13:45 on 12 December 2025.
Nearest town: 19.53 miles from Lower Assendon.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Due to: Congestion.
Normal traffic conditions are expected between 13:30 and 13:45 on 12 December 2025.
Nearest town: 12.67 miles from Lower Assendon.

Location: clockwise between junctions J13 (A30) and J14 (Heathrow Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 13:45 and 14:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.46 miles from Lower Assendon.

Location: anticlockwise at junction J14 (Heathrow Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 13:15 and 13:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.23 miles from Lower Assendon.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 12:45 and 13:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.53 miles from Lower Assendon.

Location: anticlockwise entry slip at junction J12 (Basingstoke) .
Due to: Congestion.
Normal traffic conditions are expected between 12:45 and 13:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.33 miles from Lower Assendon.

Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 12:15 and 12:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.73 miles from Lower Assendon.

Location: eastbound between the M25 and the junction with the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 12:15 and 12:30 on 12 December 2025.
Nearest town: 19.52 miles from Lower Assendon.

Location: eastbound exit slip at junction J11 (Basingstoke) .
Due to: Congestion.
Normal traffic conditions are expected between 12:00 and 12:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 9.76 miles from Lower Assendon.

Location: eastbound exit slip to the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 12:00 and 12:15 on 12 December 2025.
Nearest town: 19.53 miles from Lower Assendon.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 11:45 and 12:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.53 miles from Lower Assendon.

Location: northbound at the junction with the A423 north of Kennington.
Due to: Congestion.
Normal traffic conditions are expected between 12:15 and 12:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.11 miles from Lower Assendon.

Location: eastbound between the junctions with the M25 and the A3044 .
Due to: Congestion.
Normal traffic conditions are expected between 10:45 and 11:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.09 miles from Lower Assendon.

Location: westbound between the junctions with the A437 and the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 11:00 and 11:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.76 miles from Lower Assendon.

Location: northbound at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 10:45 and 11:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.1 miles from Lower Assendon.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 10:30 and 10:45 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.66 miles from Lower Assendon.

Location: northbound entry slip at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 11:15 and 11:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.87 miles from Lower Assendon.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Due to: Congestion.
Normal traffic conditions are expected between 11:00 and 11:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by an earlier accident.
Nearest town: 16.73 miles from Lower Assendon.

Location: eastbound exit slip at junction J5 (Hook) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 15 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.49 miles from Lower Assendon.

Location: southbound between the A4185 and the junction with the A4 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18 miles from Lower Assendon.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.73 miles from Lower Assendon.

Location: southbound between the A4185 and the junction with the M4 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.62 miles from Lower Assendon.

Location: northbound between the M4 and the junction with the A4185 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.18 miles from Lower Assendon.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane four will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 11.56 miles from Lower Assendon.

Location: southbound entry slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 10.34 miles from Lower Assendon.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.47 miles from Lower Assendon.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.27 miles from Lower Assendon.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.63 miles from Lower Assendon.

Location: southbound between the A4130 and the junction with the A4 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.81 miles from Lower Assendon.

Location: The A404M southbound entry slip at junction J9B .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 6.92 miles from Lower Assendon.

Location: The A404M southbound between junctions J9B and J9A .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.76 miles from Lower Assendon.

Location: eastbound exit slip at junction J5 (Hook) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 15 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.49 miles from Lower Assendon.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 12 December 2025.
Nearest town: 7.37 miles from Lower Assendon.

Location: northbound between junctions J7 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 19 December 2025.
Nearest town: 13.85 miles from Lower Assendon.

Location: westbound exit slip to the A412 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 05:30 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.27 miles from Lower Assendon.

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 12 December 2025.
Nearest town: 8.92 miles from Lower Assendon.

Location: westbound at junction J12 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 9.97 miles from Lower Assendon.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 9.81 miles from Lower Assendon.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.06 miles from Lower Assendon.

Location: westbound between junctions J11 (Basingstoke) and J13 (Newbury) .
Due to: Roadworks scheme.
Period : from 20:02 on 11 December 2025 to 06:00 on 13 December 2025.
Nearest town: 10.05 miles from Lower Assendon.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 9.97 miles from Lower Assendon.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.05 miles from Lower Assendon.

Location: westbound entry slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 10.02 miles from Lower Assendon.

Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be four of five lanes closed.
Nearest town: 18.29 miles from Lower Assendon.

Location: anticlockwise entry slip at junction J14 (Heathrow Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.63 miles from Lower Assendon.

Location: anticlockwise entry slip at junction J14 (Heathrow Airport) from A3113.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.48 miles from Lower Assendon.

Location: anticlockwise at junction J13 (A30) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.23 miles from Lower Assendon.

Location: anticlockwise exit slip at junction J13 (A30) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.23 miles from Lower Assendon.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Due to: Roadworks scheme.
Period : from 20:03 on 8 December 2025 to 06:00 on 13 December 2025.
Nearest town: 9.81 miles from Lower Assendon.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Due to: Roadworks scheme.
Period : from 20:01 on 8 December 2025 to 06:00 on 18 December 2025.
Nearest town: 8.77 miles from Lower Assendon.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Due to: Roadworks scheme.
Period : from 20:02 on 9 December 2025 to 06:00 on 13 December 2025.
Nearest town: 10.06 miles from Lower Assendon.

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 : From 20:30 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.97 miles from Lower Assendon.

Location: southbound exit slip at Chieveley Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 06:00 on 16 December 2025.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 January 2026 to 7 January 2026.
Schedule : From 21:00 on 19 January 2026 to 06:00 on 20 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.19 miles from Lower Assendon.

Location: southbound entry slip from the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 06:00 on 16 December 2025.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 January 2026 to 7 January 2026.
Schedule : From 21:00 on 19 January 2026 to 06:00 on 20 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.27 miles from Lower Assendon.

Location: clockwise entry slip at junction J18 (Rickmansworth) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 15 December 2025 to 05:30 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.48 miles from Lower Assendon.

Location: clockwise.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 15 December 2025 to 05:30 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.47 miles from Lower Assendon.

Location: westbound entry slip at junction J5 (Hook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 December 2025 to 19 December 2025.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.41 miles from Lower Assendon.

Location: westbound between junctions J5 (Hook) and J6 (Basingstoke) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 21 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.28 miles from Lower Assendon.

Location: westbound between junctions J4A (Farnborough) and J5 (Hook) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.05 miles from Lower Assendon.

Location: westbound between junctions J4A (Farnborough) and J6 (Basingstoke) .
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 16 December 2025 to 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.08 miles from Lower Assendon.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.25 miles from Lower Assendon.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.73 miles from Lower Assendon.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 December 2025 to 06:00 on 14 December 2025.
Nearest town: 6.86 miles from Lower Assendon.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.86 miles from Lower Assendon.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.54 miles from Lower Assendon.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.26 miles from Lower Assendon.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.62 miles from Lower Assendon.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.12 miles from Lower Assendon.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.58 miles from Lower Assendon.

Location: southbound entry slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 10.34 miles from Lower Assendon.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.47 miles from Lower Assendon.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.27 miles from Lower Assendon.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.81 miles from Lower Assendon.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.69 miles from Lower Assendon.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 18 December 2025 to 23:59 on 20 December 2025.
Nearest town: 14.57 miles from Lower Assendon.

Location: eastbound between junctions J4 (Guildford) and J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 December 2025 to 20 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.08 miles from Lower Assendon.

Location: clockwise between junctions J13 (A30) and J14 (Heathrow Airport) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : There will be three of five lanes closed.
Nearest town: 18.22 miles from Lower Assendon.

Location: clockwise entry slip at junction J13 (A30) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.15 miles from Lower Assendon.

Location: clockwise at junction J13 (A30) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.18 miles from Lower Assendon.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 14 December 2025 to 05:00 on 15 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.05 miles from Lower Assendon.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 13 December 2025 to 05:00 on 14 December 2025.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 19.21 miles from Lower Assendon.

Location: eastbound at junction J4B (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 13 December 2025 to 05:00 on 14 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.89 miles from Lower Assendon.

Location: eastbound entry slip at junction J4B (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 13 December 2025 to 05:00 on 14 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.7 miles from Lower Assendon.

Location: eastbound entry slip at junction J4B (Heathrow) from the M25 clockwise.
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 13 December 2025 to 05:00 on 14 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.53 miles from Lower Assendon.

Location: clockwise exit slip at junction J15 (Slough) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 13 December 2025 to 05:00 on 14 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.56 miles from Lower Assendon.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lane four will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 14 December 2025 to 05:00 on 15 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.06 miles from Lower Assendon.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.41 miles from Lower Assendon.

Location: westbound entry slip at junction J2 (Gatwick M23) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 17 December 2025 to 19 December 2025.
Schedule : From 23:00 on 19 December 2025 to 06:00 on 20 December 2025.
Nearest town: 19.14 miles from Lower Assendon.

Location: westbound entry slip at junction J2 (Gatwick M23) from M25 clockwise.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 17 December 2025 to 19 December 2025.
Schedule : From 23:00 on 19 December 2025 to 06:00 on 20 December 2025.
Nearest town: 19.31 miles from Lower Assendon.

Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 17 December 2025 to 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.45 miles from Lower Assendon.

Location: clockwise between junctions J16 (M40) and J18 (Rickmansworth) .
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 17 December 2025 to 19 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.84 miles from Lower Assendon.

Location: clockwise exit slip at junction J17 (Maple Cross) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 17 December 2025 to 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.38 miles from Lower Assendon.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.81 miles from Lower Assendon.

Location: The A404M southbound between junctions J9A and J9 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.76 miles from Lower Assendon.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.97 miles from Lower Assendon.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.59 miles from Lower Assendon.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.47 miles from Lower Assendon.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.56 miles from Lower Assendon.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane four will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.65 miles from Lower Assendon.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 December 2025 to 18 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.08 miles from Lower Assendon.

Location: southbound entry slip from the M40 .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.77 miles from Lower Assendon.

Location: northbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.94 miles from Lower Assendon.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.73 miles from Lower Assendon.

Location: northbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.73 miles from Lower Assendon.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.02 miles from Lower Assendon.

Location: northbound at junction J2 (Beaconsfield) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 06:00 on 17 December 2025.
Nearest town: 12.72 miles from Lower Assendon.

Location: northbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.73 miles from Lower Assendon.

Location: northbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.02 miles from Lower Assendon.

Location: eastbound exit slip at junction J3 (Woking) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.81 miles from Lower Assendon.

Location: northbound between the M4 and the junction with the A4185 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.43 miles from Lower Assendon.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.36 miles from Lower Assendon.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.31 miles from Lower Assendon.

Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Lane Closures : Lane four will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 9.57 miles from Lower Assendon.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lane four will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 9.99 miles from Lower Assendon.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.19 miles from Lower Assendon.

Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
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 15 December 2025 to 19 December 2025.
Schedule : From 23:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.45 miles from Lower Assendon.

Location: anticlockwise entry slip at junction J13 (A30) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 19 December 2025.
Schedule : From 23:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.22 miles from Lower Assendon.

Location: eastbound between junctions J3 (Woking) and J2 (Gatwick M23) .
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 15 December 2025 to 19 December 2025.
Schedule : From 23:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.81 miles from Lower Assendon.

Location: eastbound exit slip at junction J2 (Gatwick M23) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 19 December 2025.
Schedule : From 23:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.06 miles from Lower Assendon.

Location: clockwise entry slip at junction J12 (Basingstoke) .
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 15 December 2025 to 19 December 2025.
Schedule : From 23:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.01 miles from Lower Assendon.

Location: westbound exit slip to the A412 .
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 15 December 2025 to 19 December 2025.
Schedule : From 23:00 on 19 December 2025 to 05:30 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.27 miles from Lower Assendon.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.53 miles from Lower Assendon.

Location: anticlockwise at junction J18 (Rickmansworth) .
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 15 December 2025 to 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.68 miles from Lower Assendon.

Location: anticlockwise exit slip at junction J17 (Maple Cross) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.68 miles from Lower Assendon.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 05:00 on 16 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 8.74 miles from Lower Assendon.

Location: westbound at junction J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 05:00 on 16 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.2 miles from Lower Assendon.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 05:00 on 16 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 9.99 miles from Lower Assendon.

Location: westbound entry slip at junction J8 (High Wycombe) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 05:00 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 9 miles from Lower Assendon.

Location: southbound between the A4183 south of Kennington and the junction with the A4130 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 19 December 2025.
Nearest town: 18.75 miles from Lower Assendon.

Location: southbound between the A4183 south of Kennington and the junction with the A4130 .
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 15 December 2025 to 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.75 miles from Lower Assendon.

Location: northbound exit slip to the A415 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 19 December 2025.
Nearest town: 18.77 miles from Lower Assendon.

Location: northbound exit slip to the A415 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 15 December 2025 to 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.77 miles from Lower Assendon.

Location: southbound entry slip from the A415 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 December 2025 to 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.76 miles from Lower Assendon.

Location: northbound between the A4130 and the junction with the A415 .
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 15 December 2025 to 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.7 miles from Lower Assendon.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.82 miles from Lower Assendon.

Location: westbound at junction J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.91 miles from Lower Assendon.

Location: westbound between junctions J2 (Gatwick M23) and J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.15 miles from Lower Assendon.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.23 miles from Lower Assendon.

Location: eastbound between junctions J5 (Hook) and J4A (Farnborough) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 17.71 miles from Lower Assendon.

Location: westbound between junctions J4A (Farnborough) and J5 (Hook) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 17.71 miles from Lower Assendon.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 14 December 2025 to 23:59 on 18 December 2025.
Nearest town: 8.54 miles from Lower Assendon.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 December 2025 to 06:00 on 14 December 2025.
Nearest town: 13.52 miles from Lower Assendon.

Location: southbound entry slip at junction J7 (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 December 2025 to 06:00 on 14 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.46 miles from Lower Assendon.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:00 on 13 December 2025 to 16:00 on 13 December 2025.
Nearest town: 11.96 miles from Lower Assendon.

Location: eastbound entry slip at junction J2 (Gatwick M23) from M25 clockwise.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 06:00 on 13 December 2025.
Schedule : From 22:00 on 13 December 2025 to 06:00 on 14 December 2025.
Schedule : From 22:30 on 14 December 2025 to 05:30 on 15 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.31 miles from Lower Assendon.

Location: eastbound between junctions J2 (Gatwick M23) and J1 (Sunbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 06:00 on 13 December 2025.
Schedule : From 22:00 on 13 December 2025 to 06:00 on 14 December 2025.
Schedule : From 22:30 on 14 December 2025 to 05:30 on 15 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.31 miles from Lower Assendon.

Location: eastbound between junctions J3 (Woking) and J2 (Gatwick M23) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 06:00 on 13 December 2025.
Schedule : From 22:00 on 13 December 2025 to 06:00 on 14 December 2025.
Schedule : From 22:30 on 14 December 2025 to 05:30 on 15 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.73 miles from Lower Assendon.

Location: eastbound at junction J2 (Gatwick M23) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 23:00 on 12 December 2025 to 06:00 on 13 December 2025.
Schedule : From 22:00 on 13 December 2025 to 06:00 on 14 December 2025.
Schedule : From 22:30 on 14 December 2025 to 05:30 on 15 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.01 miles from Lower Assendon.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 12 December 2025 to 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.25 miles from Lower Assendon.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 12 December 2025 to 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.73 miles from Lower Assendon.

Location: westbound between junctions J5 (Hook) and J6 (Basingstoke) .
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 19 December 2025 to 21 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.29 miles from Lower Assendon.

Location: eastbound between junctions J6 (Basingstoke) and J5 (Hook) .
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 12 December 2025 to 15 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.7 miles from Lower Assendon.

Location: westbound entry slip at junction J5 (Hook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 December 2025 to 19 December 2025.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.41 miles from Lower Assendon.

Location: westbound between junctions J4A (Farnborough) and J6 (Basingstoke) .
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 16 December 2025 to 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.08 miles from Lower Assendon.

Location: westbound between junctions J5 (Hook) and J6 (Basingstoke) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 21 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.28 miles from Lower Assendon.

Location: southbound exit slip at Chieveley Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 06:00 on 16 December 2025.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Schedule : From 21:00 on 5 January 2026 to 06:00 on 6 January 2026.
Schedule : From 21:00 on 19 January 2026 to 06:00 on 20 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.19 miles from Lower Assendon.

Location: southbound entry slip from the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 06:00 on 16 December 2025.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Schedule : From 21:00 on 5 January 2026 to 06:00 on 6 January 2026.
Schedule : From 21:00 on 19 January 2026 to 06:00 on 20 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.27 miles from Lower Assendon.

Location: westbound between junctions J4A (Farnborough) and J6 (Basingstoke) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 21 December 2025.
Nearest town: 18.05 miles from Lower Assendon.

Location: westbound at junction J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.97 miles from Lower Assendon.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.06 miles from Lower Assendon.

Location: westbound exit slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 9.97 miles from Lower Assendon.
