Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 08:45 and 09:00 on 5 December 2025.
Nearest town: 16.83 miles from Westlington.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 08:15 and 08:30 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.22 miles from Westlington.

Location: southbound at the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 07:00 and 07:15 on 5 December 2025.
Nearest town: 16.81 miles from Westlington.

Location: clockwise at junction J18 (Rickmansworth) .
Due to: Congestion.
Normal traffic conditions are expected between 03:30 and 03:45 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.45 miles from Westlington.

Location: clockwise between junctions J17 (Maple Cross) and J18 (Rickmansworth) .
Due to: Roadworks.
Period : from 23:41 on 4 December 2025 to 05:30 on 5 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 19.57 miles from Westlington.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 8 December 2025.
Nearest town: 14.25 miles from Westlington.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 12 December 2025.
Nearest town: 8.8 miles from Westlington.

Location: southbound between the junctions with the A4146 South and the A4012 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.59 miles from Westlington.

Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.58 miles from Westlington.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane one is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 5 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 15.82 miles from Westlington.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.19 miles from Westlington.

Location: northbound at junction J11 (Luton) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 5 December 2025 to 05:00 on 6 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.81 miles from Westlington.

Location: northbound.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.31 miles from Westlington.

Location: northbound between the junctions with the A4155 and the M40 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.94 miles from Westlington.

Location: northbound exit slip at junction J11 (Luton) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 5 December 2025 to 05:00 on 6 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.81 miles from Westlington.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 23:00 on 5 December 2025 to 05:30 on 6 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.48 miles from Westlington.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 5 December 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 19.2 miles from Westlington.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 5 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 16.57 miles from Westlington.

Location: southbound between the junctions with the A44 and the A420 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.94 miles from Westlington.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 10 December 2025.
Nearest town: 6.97 miles from Westlington.

Location: northbound between the junctions with the M40 and the A421 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.4 miles from Westlington.

Location: northbound between the junctions with the A421 and the A422 Brackley South.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.48 miles from Westlington.

Location: northbound between the A421 and the junction with the A422 Brackley East.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.26 miles from Westlington.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 10 December 2025.
Nearest town: 12.92 miles from Westlington.

Location: northbound exit slip to the A421 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 5 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 17.29 miles from Westlington.

Location: southbound exit slip to the A421 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 5 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 17.12 miles from Westlington.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 5 December 2025.
Nearest town: 7 miles from Westlington.

Location: northbound between the M40 and the junction with the A422 Brackley East.
Due to: Roadworks scheme.
Period : from 20:07 on 25 November 2025 to 06:00 on 9 December 2025.
Nearest town: 18.4 miles from Westlington.

Location: northbound between the A4012 and the junction with the A422 .
Due to: Roadworks scheme.
Period : from 20:03 on 4 December 2025 to 06:00 on 17 January 2026.
Nearest town: 16.58 miles from Westlington.

Location: southbound between the A422 and the junction with the A421 .
Due to: Roadworks scheme.
Period : from 20:03 on 4 December 2025 to 06:00 on 21 January 2026.
Nearest town: 18.26 miles from Westlington.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 11 December 2025 to 05:30 on 12 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.61 miles from Westlington.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 11 December 2025 to 05:30 on 12 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.65 miles from Westlington.

Location: southbound between the junctions with the A421 and the M40 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.57 miles from Westlington.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.16 miles from Westlington.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.07 miles from Westlington.

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 19 January 2026 to 21 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.48 miles from Westlington.

Location: southbound exit slip to the A509 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 14 January 2026 to 06:00 on 15 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.41 miles from Westlington.

Location: southbound exit slip to the A422 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 January 2026 to 10 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.7 miles from Westlington.

Location: northbound entry slip from the A4146 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 January 2026 to 06:00 on 17 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.44 miles from Westlington.

Location: northbound exit slip to the A422 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 6 January 2026 to 8 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.62 miles from Westlington.

Location: northbound exit slip to the A509 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 12 January 2026 to 14 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.11 miles from Westlington.

Location: southbound entry slip from the A422 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 January 2026 to 10 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.7 miles from Westlington.

Location: northbound entry slip from the A422 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 6 January 2026 to 8 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.63 miles from Westlington.

Location: southbound exit slip to the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 14 January 2026 to 06:00 on 15 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.12 miles from Westlington.

Location: northbound exit slip to the A421 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 15 January 2026 to 06:00 on 16 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.29 miles from Westlington.

Location: southbound between junctions J11A and J9 (Dunstable A5) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 20 December 2025 to 05:00 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.89 miles from Westlington.

Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.46 miles from Westlington.

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 : From 22:15 on 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.5 miles from Westlington.

Location: southbound at junction J5 (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 11 December 2025 to 06:00 on 12 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.46 miles from Westlington.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.63 miles from Westlington.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Nearest town: 16.96 miles from Westlington.

Location: southbound between the junctions with the A4012 and the A5183 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Nearest town: 16.96 miles from Westlington.

Location: northbound between the M40 and the junction with the A421 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.56 miles from Westlington.

Location: southbound between the junctions with the A421 and the M40 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.66 miles from Westlington.

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 : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 December 2025 to 10 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.62 miles from Westlington.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 December 2025 to 11 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.43 miles from Westlington.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 December 2025 to 11 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.09 miles from Westlington.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 December 2025 to 11 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.45 miles from Westlington.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 December 2025 to 11 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.25 miles from Westlington.

Location: southbound entry slip from the A423 north of Kennington.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.79 miles from Westlington.

Location: southbound at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.04 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: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.63 miles from Westlington.

Location: southbound.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
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: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 December 2025 to 06:00 on 10 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.05 miles from Westlington.

Location: southbound exit slip to the A422 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 9 December 2025 to 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.7 miles from Westlington.

Location: northbound entry slip from the A4146 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 9 December 2025 to 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.44 miles from Westlington.

Location: northbound exit slip to the A422 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 10 December 2025 to 12 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.62 miles from Westlington.

Location: northbound between junctions J7 (Thame) and J8A (Thame) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 07:00 on 9 December 2025 to 23:59 on 19 December 2025.
Nearest town: 8.07 miles from Westlington.

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 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.51 miles from Westlington.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.38 miles from Westlington.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.22 miles from Westlington.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.21 miles from Westlington.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.32 miles from Westlington.

Location: northbound between the A44 and the junction with the M40 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.11 miles from Westlington.

Location: southbound between the junctions with the A423 north of Kennington and the A415 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.21 miles from Westlington.

Location: southbound exit slip to the A4183 south of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 December 2025 to 06:00 on 11 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.62 miles from Westlington.

Location: southbound at junction J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.28 miles from Westlington.

Location: southbound between the junctions with the A44 and the A420 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.75 miles from Westlington.

Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.19 miles from Westlington.

Location: southbound between the A421 and the junction with the M40 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.76 miles from Westlington.

Location: northbound between the junctions with the M40 and the A421 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.47 miles from Westlington.

Location: northbound between junctions J5 (High Wycombe) and J6 (Thame) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 8 December 2025 to 15:30 on 8 December 2025.
Nearest town: 8.54 miles from Westlington.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane four will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 7 December 2025 to 05:30 on 8 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.44 miles from Westlington.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 7 December 2025 to 9 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.11 miles from Westlington.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 7 December 2025 to 23:59 on 12 December 2025.
Nearest town: 13.93 miles from Westlington.

Location: northbound between the A4146 Bletchley North and the junction with the A422 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 6 December 2025 to 8 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.36 miles from Westlington.

Location: northbound exit slip to the A509 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 6 December 2025 to 8 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.11 miles from Westlington.

Location: northbound between the A4146 Bletchley North and the junction with the A421 .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 6 December 2025 to 8 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.46 miles from Westlington.

Location: northbound entry slip from the A421 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 6 December 2025 to 8 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.14 miles from Westlington.

Location: southbound between the junctions with the A422 Brackley South and the A421 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.23 miles from Westlington.

Location: southbound at the junction with the A421 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.45 miles from Westlington.

Location: southbound at junction J9 (Bicester) .
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 8 December 2025 to 11 December 2025.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.28 miles from Westlington.

Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
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 8 December 2025 to 11 December 2025.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.13 miles from Westlington.

Location: southbound entry slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 December 2025 to 05:00 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.95 miles from Westlington.

Location: southbound exit slip at junction J10 (Luton Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 December 2025 to 05:00 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.95 miles from Westlington.

Location: northbound entry slip at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 17 December 2025 to 05:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.84 miles from Westlington.

Location: southbound between junctions J10 (Luton Airport) and J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 December 2025 to 05:00 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.88 miles from Westlington.

Location: northbound between junctions J9 (Bicester) and J11 (Banbury) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 8 December 2025 to 11 December 2025.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 January 2026 to 8 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.47 miles from Westlington.

Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 8 December 2025 to 11 December 2025.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 January 2026 to 8 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.85 miles from Westlington.

Location: southbound exit slip at junction J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 December 2025 to 05:00 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.91 miles from Westlington.

Location: northbound exit slip at junction J11 (Luton) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 17 December 2025 to 05:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.81 miles from Westlington.

Location: southbound exit slip at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.9 miles from Westlington.

Location: southbound exit slip at junction J11 (Luton) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 December 2025 to 05:00 on 21 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.95 miles from Westlington.

Location: northbound exit slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 17 December 2025 to 05:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.84 miles from Westlington.

Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 December 2025 to 05:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.82 miles from Westlington.

Location: southbound between junctions J11 (Banbury) and J10 (Northampton) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 8 December 2025 to 11 December 2025.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 January 2026 to 8 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.42 miles from Westlington.
