Location: eastbound entry slip at junction J8 (High Wycombe) .
Lane Closures : Lane two is closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 20:00 and 20:15 on 13 December 2025.
Normal traffic conditions are expected between 20:00 and 20:15 on 13 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 10.59 miles from Middle Assendon.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Due to: Road traffic collision.
Status : Cleared.
Nearest town: 17.84 miles from Middle Assendon.

Location: clockwise exit slip at junction J17 (Maple Cross) .
Due to: Congestion.
Normal traffic conditions are expected between 19:15 and 19:30 on 13 December 2025.
Nearest town: 19.42 miles from Middle Assendon.

Location: clockwise entry slip at junction J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 19:00 and 19:15 on 13 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.83 miles from Middle Assendon.

Location: northbound entry slip at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 13 December 2025.
Nearest town: 19.34 miles from Middle Assendon.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 13 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 8.54 miles from Middle Assendon.

Location: clockwise entry slip at junction J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 13 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.62 miles from Middle Assendon.

Location: clockwise entry slip at junction J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 13 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.83 miles from Middle Assendon.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 13 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.98 miles from Middle Assendon.

Location: northbound between the junctions with the A308 and the A4155 .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 13 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 8 miles from Middle Assendon.

Location: eastbound exit slip at junction J4 (Guildford) .
Due to: Congestion.
Normal traffic conditions are expected between 17:15 and 17:30 on 13 December 2025.
Nearest town: 18.66 miles from Middle Assendon.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 19:00 and 19:15 on 13 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by an earlier accident.
Nearest town: 17.89 miles from Middle 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 15 December 2025.
Nearest town: 9.9 miles from Middle Assendon.

Location: eastbound exit slip at junction J5 (Hook) .
Due to: Roadworks.
Period : from 20:08 on 12 December 2025 to 06:00 on 15 December 2025.
Nearest town: 19.91 miles from Middle Assendon.

Location: northbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two is closed.
Due to: Emergency roadworks.
Period : from 18:53 on 12 December 2025 to 12:00 on 15 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.13 miles from Middle Assendon.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 14 December 2025.
Nearest town: 6.61 miles from Middle Assendon.

Location: eastbound entry slip at junction J4B (Heathrow) from the M25 clockwise.
Due to: Emergency Roadworks.
Period : expect disruption until 05:00 on 14 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 20 miles from Middle Assendon.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 December 2025.
Nearest town: 12.38 miles from Middle Assendon.

Location: southbound entry slip at junction J7 (Thame) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 12.33 miles from Middle 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: 12.69 miles from Middle 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: 9.87 miles from Middle Assendon.

Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 20 December 2025 to 05:30 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.54 miles from Middle Assendon.

Location: anticlockwise exit slip at junction J17 (Maple Cross) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 20 December 2025 to 05:30 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.84 miles from Middle Assendon.

Location: northbound between junctions J3 (Loudwater) 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 09:30 and 15:30 from 18 December 2025 to 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.19 miles from Middle Assendon.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 19 December 2025 to 20 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.16 miles from Middle Assendon.

Location: northbound.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.53 miles from Middle Assendon.

Location: northbound between the junctions with the A4155 and the M40 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.46 miles from Middle 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 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.93 miles from Middle 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 : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.11 miles from Middle Assendon.

Location: westbound at junction J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.7 miles from Middle Assendon.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.48 miles from Middle Assendon.

Location: westbound exit slip at junction J8 (High Wycombe) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 10.7 miles from Middle Assendon.

Location: northbound at the junction with the A308 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.46 miles from Middle Assendon.

Location: northbound between the junctions with the A4130 and the A308 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.23 miles from Middle Assendon.

Location: westbound between junctions J5 (Colnbrook) and J12 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Nearest town: 15.95 miles from Middle Assendon.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.06 miles from Middle Assendon.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.95 miles from Middle Assendon.

Location: eastbound between junctions J11 (Basingstoke) and J5 (Colnbrook) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Nearest town: 10.13 miles from Middle Assendon.

Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.04 miles from Middle Assendon.

Location: eastbound at junction J11 (Basingstoke) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.13 miles from Middle 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: 17.2 miles from Middle 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: 17.28 miles from Middle 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: 19.96 miles from Middle 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: 19.84 miles from Middle 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: 18.78 miles from Middle 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: 19.68 miles from Middle 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: 8.1 miles from Middle 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: 8.6 miles from Middle 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: 6.61 miles from Middle 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: 7.15 miles from Middle 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: 16.1 miles from Middle 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: 17.53 miles from Middle 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: 15.95 miles from Middle 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: 7.22 miles from Middle 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: 11.42 miles from Middle 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: 11.58 miles from Middle 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: 11.36 miles from Middle 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: 12.29 miles from Middle 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: 7.42 miles from Middle 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: 15.86 miles from Middle 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: 18.32 miles from Middle 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: 19.72 miles from Middle 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: 19.65 miles from Middle 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: 19.68 miles from Middle 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: 19.5 miles from Middle 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: 19.48 miles from Middle 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: 16.74 miles from Middle 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: 19.55 miles from Middle 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: 18.97 miles from Middle 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: 19.48 miles from Middle 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: 9.87 miles from Middle 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: 10.26 miles from Middle 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: 10.47 miles from Middle 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: 7.77 miles from Middle 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: 11.58 miles from Middle 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: 9.48 miles from Middle 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: 11.77 miles from Middle 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: 19.51 miles from Middle 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: 8.64 miles from Middle 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: 8.82 miles from Middle 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: 14.97 miles from Middle 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: 13.93 miles from Middle 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: 14.23 miles from Middle 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: 13.92 miles from Middle 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: 13.93 miles from Middle 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: 14.23 miles from Middle 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: 18.14 miles from Middle 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: 15.22 miles from Middle 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: 15.07 miles from Middle 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: 15.03 miles from Middle 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: 11.06 miles from Middle 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: 11.48 miles from Middle 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: 18.09 miles from Middle 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: 19.94 miles from Middle 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: 19.72 miles from Middle 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: 19.61 miles from Middle 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: 19.78 miles from Middle 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: 10.24 miles from Middle 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: 10.7 miles from Middle 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: 11.48 miles from Middle 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: 10.5 miles from Middle 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: 17.25 miles from Middle 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: 17.25 miles from Middle 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: 17.27 miles from Middle 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: 17.27 miles from Middle 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: 17.26 miles from Middle 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: 17.2 miles from Middle 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: 18.15 miles from Middle 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: 18.27 miles from Middle 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: 18.52 miles from Middle 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: 18.45 miles from Middle 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: 18.61 miles from Middle 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: 18.63 miles from Middle 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: 9.46 miles from Middle Assendon.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 14 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 8.1 miles from Middle Assendon.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lane two is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 14 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 8.6 miles from Middle 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: 19.85 miles from Middle Assendon.

Location: westbound between junctions J4A (Farnborough) and J6 (Basingstoke) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 21 December 2025.
Nearest town: 18.78 miles from Middle 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: 9.74 miles from Middle 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: 9.98 miles from Middle 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: 9.74 miles from Middle Assendon.
