Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lane four is closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 17:30 and 17:45 on 16 June 2026.
Normal traffic conditions are expected between 17:30 and 17:45 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 13.16 miles from Chiltern Hills.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Broken down vehicle.
Status : Cleared.
Nearest town: 13.31 miles from Chiltern Hills.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lane four is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 15:30 and 15:45 on 16 June 2026.
Normal traffic conditions are expected between 15:30 and 15:45 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 15.38 miles from Chiltern Hills.

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: 9.87 miles from Chiltern Hills.

Location: southbound at the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 16 June 2026.
Nearest town: 13.55 miles from Chiltern Hills.

Location: northbound between the junctions with the A4155 and 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: 9.98 miles from Chiltern Hills.

Location: southbound exit slip to the A4155 .
Due to: Congestion.
Normal traffic conditions are expected between 17:15 and 17:30 on 16 June 2026.
Nearest town: 11.7 miles from Chiltern Hills.

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: 9.98 miles from Chiltern Hills.

Location: clockwise between junctions J12 (Basingstoke) and J14 (Heathrow Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 18:15 and 18:30 on 16 June 2026.
Delay : There are currently delays of 30 minutes against expected traffic.
Nearest town: 14.36 miles from Chiltern Hills.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 17:00 and 17:15 on 16 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 12.72 miles from Chiltern Hills.

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: 9.98 miles from Chiltern Hills.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 15:45 and 16:00 on 16 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by the earlier broken down vehicle.
Nearest town: 12.72 miles from Chiltern Hills.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 12:45 and 13:00 on 16 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 9.98 miles from Chiltern Hills.

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: 10.15 miles from Chiltern Hills.

Location: northbound exit slip at junction J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.87 miles from Chiltern Hills.

Location: clockwise entry slip at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.89 miles from Chiltern Hills.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 17:00 on 16 June 2026.
Nearest town: 11.2 miles from Chiltern Hills.

Location: anticlockwise entry slip at junction J16 (M40) From M40 North.
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.89 miles from Chiltern Hills.

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: 9.51 miles from Chiltern Hills.

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: 9.93 miles from Chiltern Hills.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:00 on 23 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 11.72 miles from Chiltern Hills.

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: 10.48 miles from Chiltern Hills.

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: 9.92 miles from Chiltern Hills.

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: 11.37 miles from Chiltern Hills.

Location: northbound at junction J1A (Watford) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 22 June 2026 to 25 June 2026.
Nearest town: 14.72 miles from Chiltern Hills.

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: 10.23 miles from Chiltern Hills.

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: 9.79 miles from Chiltern Hills.

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: 11.11 miles from Chiltern Hills.

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: 10.05 miles from Chiltern Hills.

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: 10.31 miles from Chiltern Hills.

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: 9.99 miles from Chiltern Hills.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 21 June 2026 to 23:59 on 26 June 2026.
Nearest town: 13.69 miles from Chiltern Hills.

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: 10.05 miles from Chiltern Hills.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.1 miles from Chiltern Hills.

Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 19 June 2026 to 05:00 on 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.73 miles from Chiltern Hills.

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: 10.05 miles from Chiltern Hills.

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: 9.88 miles from Chiltern Hills.

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: 11.42 miles from Chiltern Hills.

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: 13.3 miles from Chiltern Hills.
