Location: anticlockwise entry slip at junction J17 (Maple Cross) .
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 12:15 and 12:30 on 10 March 2026.
Normal traffic conditions are expected between 12:15 and 12:30 on 10 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.2 miles from Summer Heath.

Location: eastbound entry slip at junction J10 (Reading) .
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 19:30 and 19:45 on 10 March 2026.
Normal traffic conditions are expected between 19:30 and 19:45 on 10 March 2026.
Lanes Closed : All lanes are closed.
Previous
Due to: Following an earlier accident.
Nearest town: 12.29 miles from Summer Heath.

Location: northbound between the junctions with the A415 and the A423 .
Lane Closures : Lane one is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 17:15 and 17:30 on 10 March 2026.
Normal traffic conditions are expected between 17:15 and 17:30 on 10 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.67 miles from Summer Heath.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
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 17:00 and 17:15 on 10 March 2026.
Normal traffic conditions are expected between 17:00 and 17:15 on 10 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 16.83 miles from Summer Heath.

Location: slip road to the M40 southbound from M25 south.
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Vehicle tyre change.
Time To Clear : The event is expected to clear between 14:45 and 15:00 on 10 March 2026.
Normal traffic conditions are expected between 14:45 and 15:00 on 10 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.51 miles from Summer Heath.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Broken down vehicle.
Lanes Closed : There is one of four lanes closed.
Nearest town: 11.69 miles from Summer Heath.

Location: southbound exit slip to the A415 .
Due to: Congestion.
Normal traffic conditions are expected between 17:15 and 17:30 on 10 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 16.78 miles from Summer Heath.

Location: southbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 17:00 and 17:15 on 10 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.03 miles from Summer Heath.

Location: northbound exit slip to the A415 .
Due to: Congestion.
Normal traffic conditions are expected between 17:15 and 17:30 on 10 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 16.83 miles from Summer Heath.

Location: The A308M westbound between the junctions with the A308 and the M4 .
Due to: Congestion.
Normal traffic conditions are expected between 17:00 and 17:15 on 10 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 11.53 miles from Summer Heath.

Location: The A404M southbound at junction J9A .
Due to: Congestion.
Normal traffic conditions are expected between 17:00 and 17:15 on 10 March 2026.
Nearest town: 10.85 miles from Summer Heath.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 16:15 and 16:30 on 10 March 2026.
Nearest town: 7.12 miles from Summer Heath.

Location: southbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 14:30 and 14:45 on 10 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.03 miles from Summer Heath.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 10 March 2026 to 05:30 on 11 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.5 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: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.48 miles from Summer Heath.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 13 March 2026.
Nearest town: 14.16 miles from Summer Heath.

Location: westbound exit slip at junction J11 (Basingstoke) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.36 miles from Summer Heath.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.23 miles from Summer Heath.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 10 March 2026 to 05:30 on 11 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.34 miles from Summer Heath.

Location: northbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 March 2026 to 06:00 on 11 March 2026.
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, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.4 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 10 March 2026 to 05:30 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.17 miles from Summer Heath.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 11.77 miles from Summer Heath.

Location: The A404M southbound between junctions J9A and J9 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.14 miles from Summer Heath.

Location: clockwise entry slip at junction J16 (M40) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 05:00 on 11 March 2026.
Nearest town: 17.09 miles from Summer Heath.

Location: northbound between the junctions with the M4 and the A4185 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.87 miles from Summer Heath.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.39 miles from Summer Heath.

Location: westbound exit slip at junction J8 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.7 miles from Summer Heath.

Location: westbound entry slip at junction J8 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.55 miles from Summer Heath.

Location: westbound at junction J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.7 miles from Summer Heath.

Location: The A308M westbound between the junctions with the A308 and the M4 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.72 miles from Summer Heath.

Location: northbound between the A4183 south of Kennington and the junction with the A420 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.78 miles from Summer Heath.

Location: northbound between the A4130 and the junction with the A415 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.83 miles from Summer Heath.

Location: northbound exit slip to the A423 north of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.18 miles from Summer Heath.

Location: northbound between the A415 and the junction with the A4183 south of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.85 miles from Summer Heath.

Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 23:59 on 11 March 2026.
Nearest town: 4.01 miles from Summer Heath.

Location: northbound between junctions J5 (High Wycombe) and J6 (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 23:59 on 11 March 2026.
Nearest town: 4 miles from Summer Heath.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.15 miles from Summer Heath.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.38 miles from Summer Heath.

Location: southbound between the A4185 and the junction with the M4 .
Due to: Roadworks scheme.
Period : from 20:12 on 9 March 2026 to 06:00 on 14 March 2026.
Nearest town: 18.52 miles from Summer Heath.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 23:59 on 10 March 2026.
Nearest town: 10.34 miles from Summer Heath.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 23:59 on 10 March 2026.
Nearest town: 9.82 miles from Summer Heath.

Location: westbound between junctions J8 (High Wycombe) and J11 (Basingstoke) .
Due to: Roadworks scheme.
Period : from 20:04 on 6 March 2026 to 06:00 on 15 March 2026.
Nearest town: 11.73 miles from Summer Heath.

Location: northbound between the A4183 south of Kennington and the junction with the A420 .
Due to: Roadworks scheme.
Period : from 21:00 on 9 March 2026 to 06:00 on 26 March 2026.
Nearest town: 15.78 miles from Summer Heath.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.04 miles from Summer Heath.

Location: northbound between the junctions with the M4 and the A4185 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 27 March 2026 to 06:00 on 28 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.87 miles from Summer Heath.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.21 miles from Summer Heath.

Location: northbound between the A420 and the junction with the M40 .
Due to: Bridge repairs are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.82 miles from Summer Heath.

Location: northbound between the A423 north of Kennington and the junction with the A420 .
Due to: Bridge repairs are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.67 miles from Summer Heath.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 6.94 miles from Summer Heath.

Location: northbound entry slip at junction J2 (Beaconsfield) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 12 March 2026 to 05:30 on 13 March 2026.
Nearest town: 13.07 miles from Summer Heath.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 17 March 2026 to 23:59 on 18 March 2026.
Nearest town: 5.55 miles from Summer Heath.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.23 miles from Summer Heath.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.63 miles from Summer Heath.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.19 miles from Summer Heath.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.26 miles from Summer Heath.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.95 miles from Summer Heath.

Location: westbound at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.23 miles from Summer Heath.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.71 miles from Summer Heath.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
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: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.18 miles from Summer Heath.

Location: westbound entry slip at junction J12 (Reading) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.77 miles from Summer Heath.

Location: westbound exit slip at junction J12 (Reading) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.79 miles from Summer Heath.

Location: northbound between the junctions with the A415 and the A4183 south of Kennington.
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 16 March 2026 to 28 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.57 miles from Summer Heath.

Location: southbound between the A420 and the junction with the A423 north of Kennington.
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 16 March 2026 to 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.8 miles from Summer Heath.

Location: southbound entry slip from the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.86 miles from Summer Heath.

Location: southbound between the A415 and the junction with the M4 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 19 March 2026.
Nearest town: 16.04 miles from Summer Heath.

Location: southbound between the A415 and the junction with the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.04 miles from Summer Heath.

Location: southbound exit slip to the A4185 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.62 miles from Summer Heath.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.62 miles from Summer Heath.

Location: northbound at junction J1 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.25 miles from Summer Heath.

Location: westbound between the junctions with the A437 and the M40 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.87 miles from Summer Heath.

Location: southbound between junctions J1A (Watford) and J1 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.17 miles from Summer Heath.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 16 March 2026 to 15:30 on 16 March 2026.
Nearest town: 8.44 miles from Summer Heath.

Location: southbound entry slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.11 miles from Summer Heath.

Location: southbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 15 March 2026 to 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.98 miles from Summer Heath.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 15 March 2026 to 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.27 miles from Summer Heath.

Location: southbound between junctions J8A (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.51 miles from Summer Heath.

Location: eastbound exit slip at junction J6 (Slough) .
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 12 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.87 miles from Summer Heath.

Location: westbound at junction J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.54 miles from Summer Heath.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.31 miles from Summer Heath.

Location: westbound entry slip at junction J6 (Slough) .
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 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.25 miles from Summer Heath.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
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 12 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 16.31 miles from Summer Heath.

Location: eastbound at junction J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.87 miles from Summer Heath.

Location: eastbound between junctions J7 (Slough) and J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.96 miles from Summer Heath.

Location: eastbound between junctions J7 (Slough) and J6 (Slough) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.41 miles from Summer Heath.

Location: eastbound between junctions J8 (High Wycombe) and J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 21 March 2026 to 06:00 on 22 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 12.32 miles from Summer Heath.

Location: eastbound entry slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.31 miles from Summer Heath.

Location: westbound between junctions J6 (Slough) and J7 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.77 miles from Summer Heath.

Location: eastbound entry slip at junction J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.43 miles from Summer Heath.

Location: eastbound entry slip at junction J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 21 March 2026 to 06:00 on 22 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.43 miles from Summer Heath.

Location: eastbound exit slip at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.87 miles from Summer Heath.

Location: westbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 12 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.54 miles from Summer Heath.

Location: anticlockwise between junctions J18 (Rickmansworth) and J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 13 March 2026 to 05:30 on 14 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.77 miles from Summer Heath.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.59 miles from Summer Heath.

Location: westbound between junctions J13 (Newbury) and J14 (Hungerford) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.83 miles from Summer Heath.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 12 March 2026 to 05:30 on 13 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.2 miles from Summer Heath.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 11.73 miles from Summer Heath.

Location: westbound entry slip at junction J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.41 miles from Summer Heath.

Location: westbound entry slip at junction J10 (Reading) .
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 10 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.54 miles from Summer Heath.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 12 March 2026 to 05:30 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.83 miles from Summer Heath.

Location: southbound between the A420 and the junction with the A423 north of Kennington.
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.8 miles from Summer Heath.

Location: southbound entry slip from the A420 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.74 miles from Summer Heath.

Location: The A308M westbound between the junctions with the A308 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.72 miles from Summer Heath.

Location: The A404M southbound between junctions J9A and J9 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.25 miles from Summer Heath.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 12 March 2026 to 06:00 on 13 March 2026.
Nearest town: 11.57 miles from Summer Heath.

Location: northbound at junction J1A (Watford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.92 miles from Summer Heath.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.9 miles from Summer Heath.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.84 miles from Summer Heath.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.69 miles from Summer Heath.

Location: northbound exit slip to the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 12 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.78 miles from Summer Heath.

Location: northbound between the A4185 and the junction with the A415 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 14 March 2026.
Nearest town: 15.88 miles from Summer Heath.

Location: northbound between the A4185 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 21:00 and 06:00 from 12 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.88 miles from Summer Heath.

Location: northbound between the M4 and the junction with the A4185 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 12 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.96 miles from Summer Heath.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 09:30 on 11 March 2026 to 12:30 on 11 March 2026.
Nearest town: 6.63 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 10 March 2026 to 13 March 2026.
Schedule : From 23:00 on 13 March 2026 to 05:30 on 14 March 2026.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.34 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 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.29 miles from Summer Heath.

Location: southbound between the A423 north of Kennington and the junction with the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.34 miles from Summer Heath.

Location: southbound exit slip to the A415 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.79 miles from Summer Heath.

Location: northbound between the junctions with the A415 and the A423 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.72 miles from Summer Heath.

Location: southbound exit slip to the A4183 south of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.65 miles from Summer Heath.

Location: southbound between the A420 and the junction with the A423 north of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.68 miles from Summer Heath.

Location: northbound exit slip at junction J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 4 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 3.94 miles from Summer Heath.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 30 March 2026 to 4 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 3.47 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 : Expect disruption everyday between 22:15 and 06:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 4 April 2026.
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 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 30 March 2026 to 4 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.01 miles from Summer Heath.

Location: southbound.
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 13 March 2026 to 15 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.03 miles from Summer Heath.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 13 March 2026 to 15 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.77 miles from Summer Heath.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 11 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 7.03 miles from Summer Heath.

Location: southbound between the A4185 and the junction with the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.99 miles from Summer Heath.

Location: southbound between the junctions with the A4185 and the M4 .
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 10 March 2026 to 14 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.52 miles from Summer Heath.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 11 March 2026 to 13 March 2026.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 16 March 2026 to 20 March 2026.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 23 March 2026 to 27 March 2026.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 30 March 2026 to 31 March 2026.
Nearest town: 6.89 miles from Summer Heath.

Location: westbound between junctions J5 (Colnbrook) and J7 (Slough) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 12 March 2026 to 06:00 on 28 March 2026.
Nearest town: 16.31 miles from Summer Heath.

Location: eastbound entry slip at junction J6 (Slough) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 22 March 2026.
Nearest town: 15.31 miles from Summer Heath.

Location: southbound between the junctions with the A4130 and the A4185 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 19 March 2026 to 26 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.98 miles from Summer Heath.

Location: southbound between the A423 north of Kennington and the junction with the A4130 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Nearest town: 16.34 miles from Summer Heath.
