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: 9.83 miles from Puttenham.

Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.27 miles from Puttenham.

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: 13.51 miles from Puttenham.

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: 14.15 miles from Puttenham.

Location: southbound entry slip from the A4146 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 July 2026 to 25 July 2026.
Schedule : From 20:00 on 27 July 2026 to 06:00 on 28 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.16 miles from Puttenham.

Location: northbound entry slip from the A4146 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 July 2026 to 1 August 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 3 August 2026 to 5 August 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.15 miles from Puttenham.

Location: northbound between the A4146 Bletchley North and the junction with the A509 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 July 2026 to 18 July 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 July 2026 to 23 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.45 miles from Puttenham.

Location: southbound between the A421 and the junction with the A4146 South.
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 28 July 2026 to 1 August 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 3 August 2026 to 5 August 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.43 miles from Puttenham.

Location: southbound between the A509 and the junction with the A4146 South.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 July 2026 to 25 July 2026.
Schedule : From 20:00 on 27 July 2026 to 06:00 on 28 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.48 miles from Puttenham.

Location: northbound between the A4146 Bletchley South and the junction with the A509 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 July 2026 to 1 August 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 3 August 2026 to 5 August 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.17 miles from Puttenham.

Location: northbound between the A421 and the junction with the A422 .
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 8 July 2026 to 11 July 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 July 2026 to 15 July 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.42 miles from Puttenham.

Location: southbound entry slip from the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 July 2026 to 25 July 2026.
Schedule : From 20:00 on 27 July 2026 to 06:00 on 28 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.47 miles from Puttenham.

Location: southbound exit slip to the A4146 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 July 2026 to 25 July 2026.
Schedule : From 20:00 on 27 July 2026 to 06:00 on 28 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.42 miles from Puttenham.

Location: northbound between the A4146 Bletchley South and the junction with the A421 .
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 23 July 2026 to 25 July 2026.
Schedule : From 20:00 on 27 July 2026 to 06:00 on 28 July 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.17 miles from Puttenham.

Location: northbound entry slip from the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 July 2026 to 18 July 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 July 2026 to 23 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.38 miles from Puttenham.

Location: southbound exit slip to the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 July 2026 to 11 July 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 July 2026 to 15 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.47 miles from Puttenham.

Location: northbound exit slip to the A4146 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 July 2026 to 1 August 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 3 August 2026 to 5 August 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.91 miles from Puttenham.

Location: northbound exit slip to the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 28 July 2026 to 1 August 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 3 August 2026 to 5 August 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.43 miles from Puttenham.

Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 June 2026 to 05:00 on 19 June 2026.
Nearest town: 15.08 miles from Puttenham.

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: 14.1 miles from Puttenham.

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: 14.42 miles from Puttenham.

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: 13.51 miles from Puttenham.

Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
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 June 2026 to 18 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.58 miles from Puttenham.

Location: southbound between the A4146 South and the junction with the A4012 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 18 June 2026 to 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.67 miles from Puttenham.
