Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 16 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.13 miles from Westlington.

Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 16 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.13 miles from Westlington.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 16 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.22 miles from Westlington.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 17:00 and 17:15 on 16 June 2026.
Nearest town: 13.22 miles from Westlington.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 16:15 and 16:30 on 16 June 2026.
Nearest town: 13.22 miles from Westlington.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2026 to 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.02 miles from Westlington.

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 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.51 miles from Westlington.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.3 miles from Westlington.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 June 2026 to 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.09 miles from Westlington.

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: 11.28 miles from Westlington.

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: 13.16 miles from Westlington.

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: 14.82 miles from Westlington.

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 17 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 11.63 miles from Westlington.

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: 6.98 miles from Westlington.

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: 6.98 miles from Westlington.

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: 13.14 miles from Westlington.

Location: southbound between junctions J5 (High Wycombe) and J4 (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 16 June 2026 to 20 June 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 22 June 2026 to 27 June 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 29 June 2026 to 4 July 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.8 miles from Westlington.

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: 13.04 miles from Westlington.

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: 12.91 miles from Westlington.

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: 13.06 miles from Westlington.

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: 8.51 miles from Westlington.

Location: northbound.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 June 2026 to 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.31 miles from Westlington.

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: 7.35 miles from Westlington.

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: 13.04 miles from Westlington.

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: 13.05 miles from Westlington.

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: 14.87 miles from Westlington.
