Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
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 04:30 and 04:45 on 6 December 2025.
Normal traffic conditions are expected between 04:30 and 04:45 on 6 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 17.85 miles from Summer Heath.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
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 06:45 and 07:00 on 6 December 2025.
Normal traffic conditions are expected between 06:45 and 07:00 on 6 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 14.66 miles from Summer Heath.

Location: southbound entry slip at junction J3 (Loudwater) .
Due to: Congestion.
Normal traffic conditions are expected between 01:30 and 01:45 on 6 December 2025.
Nearest town: 10.28 miles from Summer Heath.

Location: clockwise between junctions J17 (Maple Cross) and J18 (Rickmansworth) .
Due to: Roadworks.
Period : from 23:21 on 5 December 2025 to 05:30 on 6 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.61 miles from Summer Heath.

Location: southbound between the junctions with the A4155 and the A308 .
Due to: Roadworks.
Period : from 21:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 7.83 miles from Summer Heath.

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 6 December 2025 to 06:00 on 7 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.25 miles from Summer Heath.

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 6 December 2025 to 06:00 on 7 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.87 miles from Summer Heath.

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 8 December 2025.
Nearest town: 9.22 miles from Summer Heath.

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: 3.88 miles from Summer Heath.

Location: anticlockwise at junction J16 (M40) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 17.36 miles from Summer Heath.

Location: clockwise at junction J16 (M40) .
Lane Closures : Lane three is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 17.7 miles from Summer Heath.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 18.07 miles from Summer Heath.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:15 on 6 December 2025 to 06:00 on 7 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.15 miles from Summer Heath.

Location: clockwise entry slip at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:15 on 6 December 2025 to 06:00 on 7 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.76 miles from Summer Heath.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Planned Roadworks.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 19.33 miles from Summer Heath.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Road Marking Works.
Period : expect disruption until 05:30 on 6 December 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 17.62 miles from Summer Heath.

Location: northbound exit slip to the M4 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.4 miles from Summer Heath.

Location: westbound entry slip at junction J13 (Newbury) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 19.34 miles from Summer Heath.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 11.7 miles from Summer Heath.

Location: westbound between junctions J13 (Newbury) and J14 (Hungerford) .
Due to: Roadworks scheme.
Period : from 20:26 on 4 December 2025 to 06:00 on 6 December 2025.
Nearest town: 19.05 miles from Summer Heath.

Location: westbound between junctions J13 (Newbury) and J14 (Hungerford) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 19.05 miles from Summer Heath.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 10 December 2025.
Nearest town: 7.43 miles from Summer Heath.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 10 December 2025.
Nearest town: 6.26 miles from Summer Heath.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Due to: Roadworks scheme.
Period : from 20:04 on 26 November 2025 to 06:00 on 12 December 2025.
Nearest town: 11.27 miles from Summer Heath.

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: 10.29 miles from Summer Heath.

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: 10.52 miles from Summer Heath.

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 Summer Heath.

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: 14.1 miles from Summer Heath.

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: 6.63 miles from Summer Heath.

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: 7.13 miles from Summer Heath.

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: 8.13 miles from Summer Heath.

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: 9.36 miles from Summer Heath.

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: 9.16 miles from Summer Heath.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15 miles from Summer Heath.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 11 December 2025 to 05:30 on 12 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.05 miles from Summer Heath.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 11 December 2025 to 05:30 on 12 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.25 miles from Summer Heath.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.61 miles from Summer Heath.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.1 miles from Summer Heath.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.35 miles from Summer Heath.

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 : From 20:00 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.85 miles from Summer Heath.

Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.04 miles from Summer Heath.

Location: southbound entry slip at junction J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 4.02 miles from Summer Heath.

Location: southbound at junction J5 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 4.04 miles from Summer Heath.

Location: southbound between the A415 and the junction with the A4130 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.21 miles from Summer Heath.

Location: southbound exit slip to the A4130 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.99 miles from Summer Heath.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.89 miles from Summer Heath.

Location: northbound between the junctions with the A415 and the A4183 south of Kennington.
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 16.57 miles from Summer Heath.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 December 2025 to 11 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.48 miles from Summer Heath.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 December 2025 to 11 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.14 miles from Summer Heath.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 December 2025 to 11 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.52 miles from Summer Heath.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 December 2025 to 11 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.27 miles from Summer Heath.

Location: southbound entry slip from the A423 north of Kennington.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.34 miles from Summer Heath.

Location: northbound between the M4 and the junction with the A4185 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.15 miles from Summer Heath.

Location: southbound at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 6.77 miles from Summer Heath.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.89 miles from Summer Heath.

Location: southbound between the A4185 and the junction with the M4 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.99 miles from Summer Heath.

Location: southbound.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 6.77 miles from Summer Heath.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.03 miles from Summer Heath.

Location: northbound between junctions J7 (Thame) and J8A (Thame) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 07:00 on 9 December 2025 to 23:59 on 19 December 2025.
Nearest town: 10.28 miles from Summer Heath.

Location: southbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.17 miles from Summer Heath.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13 miles from Summer Heath.

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 8 December 2025 to 12 December 2025.
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: 19.17 miles from Summer Heath.

Location: southbound between the junctions with the A423 north of Kennington and the A415 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.62 miles from Summer Heath.

Location: southbound exit slip to the A4183 south of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.65 miles from Summer Heath.

Location: southbound between the A4130 and the junction with the M4 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.84 miles from Summer Heath.

Location: northbound between the M4 and the junction with the A4130 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.03 miles from Summer Heath.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
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 8 December 2025 to 10 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.63 miles from Summer Heath.

Location: westbound entry slip at junction J13 (Newbury) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 December 2025 to 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.34 miles from Summer Heath.

Location: westbound between junctions J13 (Newbury) and J14 (Hungerford) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 11 December 2025.
Nearest town: 19.22 miles from Summer Heath.

Location: westbound between junctions J13 (Newbury) and J14 (Hungerford) .
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 8 December 2025 to 11 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.22 miles from Summer Heath.

Location: northbound between junctions J5 (High Wycombe) and J6 (Thame) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 8 December 2025 to 15:30 on 8 December 2025.
Nearest town: 3.99 miles from Summer Heath.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane four will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 7 December 2025 to 05:30 on 8 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.05 miles from Summer Heath.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 7 December 2025 to 9 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.73 miles from Summer Heath.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 7 December 2025 to 23:59 on 12 December 2025.
Nearest town: 8.59 miles from Summer Heath.

Location: southbound exit slip at Chieveley Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
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.
Lanes Closed : All lanes will be closed.
Nearest town: 19.29 miles from Summer Heath.

Location: southbound entry slip from the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
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.
Lanes Closed : All lanes will be closed.
Nearest town: 19.37 miles from Summer Heath.

Location: eastbound exit slip at junction J8 (High Wycombe) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 11.43 miles from Summer Heath.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 11.27 miles from Summer Heath.

Location: westbound at junction J12 (Reading) .
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 8 December 2025 to 13 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.79 miles from Summer Heath.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
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 8 December 2025 to 13 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.41 miles from Summer Heath.

Location: westbound exit slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.79 miles from Summer Heath.

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 : Expect disruption everyday between 20:00 and 06:00 from 8 December 2025 to 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.1 miles from Summer Heath.

Location: westbound between junctions J11 (Basingstoke) and J13 (Newbury) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 11 December 2025 to 06:00 on 13 December 2025.
Nearest town: 13.09 miles from Summer Heath.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
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 11 December 2025 to 13 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.79 miles from Summer Heath.

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 : Expect disruption everyday between 20:00 and 06:00 from 11 December 2025 to 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.09 miles from Summer Heath.

Location: westbound entry slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 11 December 2025 to 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.77 miles from Summer Heath.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 13 December 2025.
Nearest town: 12.41 miles from Summer Heath.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 18 December 2025.
Nearest town: 12.54 miles from Summer Heath.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 13 December 2025.
Nearest town: 13.1 miles from Summer Heath.

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 8 December 2025 to 06:00 on 9 December 2025.
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: 12.79 miles from Summer Heath.

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 8 December 2025 to 06:00 on 9 December 2025.
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: 13.1 miles from Summer Heath.

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: 12.79 miles from Summer Heath.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 6 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 11.49 miles from Summer Heath.
