Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.15 miles from Summer Heath.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 15 June 2026.
Nearest town: 7.12 miles from Summer Heath.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 15 June 2026.
Cause : Vehicle fire.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 11.69 miles from Summer Heath.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Roadworks.
Period : from 22:59 on 15 June 2026 to 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 3.88 miles from Summer Heath.

Location: southbound exit slip at junction J8A (Thame) .
Due to: Roadworks.
Period : from 21:02 on 15 June 2026 to 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.76 miles from Summer Heath.

Location: southbound entry slip at junction J8A (Thame) .
Due to: Roadworks.
Period : from 21:03 on 15 June 2026 to 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.6 miles from Summer Heath.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 13.53 miles from Summer Heath.

Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 4.04 miles from Summer Heath.

Location: southbound at junction J5 (High Wycombe) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 4.05 miles from Summer Heath.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 12.16 miles from Summer Heath.

Location: southbound between junctions J8A (Thame) and J8 (Oxford) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 11.98 miles from Summer Heath.

Location: southbound exit slip at junction J8A (Thame) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.98 miles from Summer Heath.

Location: southbound entry slip at junction J8A (Thame) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.67 miles from Summer Heath.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 23 June 2026.
Nearest town: 13.95 miles from Summer Heath.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.69 miles from Summer Heath.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 22 June 2026 to 24 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 4.37 miles from Summer Heath.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 June 2026 to 27 June 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 29 June 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 6 July 2026 to 11 July 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 11.23 miles from Summer Heath.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 22 June 2026 to 06:00 on 23 June 2026.
Schedule : From 20:00 on 30 June 2026 to 06:00 on 1 July 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 11.2 miles from Summer Heath.

Location: southbound between the M40 and the junction with the A4155 .
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 22 June 2026 to 25 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.11 miles from Summer Heath.

Location: northbound between the A4155 and the junction with the M40 .
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 22 June 2026 to 25 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.58 miles from Summer Heath.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 12.47 miles from Summer Heath.

Location: westbound between junctions J11 (Basingstoke) and J13 (Newbury) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 19 June 2026 to 06:00 on 20 June 2026.
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 : From 21:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.79 miles from Summer Heath.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.1 miles from Summer Heath.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 June 2026 to 06:00 on 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.1 miles from Summer Heath.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 4.99 miles from Summer Heath.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lane one is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 6.63 miles from Summer Heath.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 08:00 on 16 June 2026 to 17:00 on 16 June 2026.
Nearest town: 3.11 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 20:00 on 19 June 2026 to 06:00 on 20 June 2026.
Schedule : From 20:00 on 22 June 2026 to 06:00 on 23 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.69 miles from Summer Heath.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
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 20 June 2026 to 22 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.69 miles from Summer Heath.

Location: northbound at junction J4 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 21 June 2026 to 23:59 on 22 June 2026.
Nearest town: 7.25 miles from Summer Heath.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 3.3 miles from Summer Heath.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lane one is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 6.88 miles from Summer Heath.

Location: southbound at junction J4 (High Wycombe) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 17 June 2026 to 06:00 on 18 June 2026.
Nearest town: 6.77 miles from Summer Heath.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 17 June 2026 to 06:00 on 18 June 2026.
Nearest town: 6.26 miles from Summer Heath.

Location: southbound at junction J4 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 21 June 2026 to 23:59 on 22 June 2026.
Nearest town: 6.88 miles from Summer Heath.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20 June 2026 to 06:00 on 21 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 4.01 miles from Summer Heath.

Location: southbound exit slip to the A4 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.16 miles from Summer Heath.

Location: southbound exit slip to the A4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.16 miles from Summer Heath.

Location: southbound between the A4130 and the junction with the A4 .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.13 miles from Summer Heath.

Location: The A404M southbound between junctions J9B and J9A .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.16 miles from Summer Heath.

Location: The A404M southbound entry slip at junction J9B .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.36 miles from Summer Heath.

Location: northbound.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.14 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 20:00 on 17 June 2026 to 06:00 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.6 miles from Summer Heath.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 17 June 2026 to 06:00 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.65 miles from Summer Heath.

Location: westbound entry slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.77 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 21:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.09 miles from Summer Heath.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 17 June 2026 to 06:00 on 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.2 miles from Summer Heath.

Location: southbound.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 17 June 2026 to 06:00 on 18 June 2026.
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: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 17 June 2026 to 06:00 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.03 miles from Summer Heath.

Location: southbound between the M40 and the junction with the A308 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.6 miles from Summer Heath.

Location: northbound between the A308 and the junction with the A4155 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.76 miles from Summer Heath.
