Location: eastbound at junction J7 (Slough) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Accident involving an overturned vehicle.
Time To Clear : The event is expected to clear between 18:15 and 18:30 on 5 December 2025.
Normal traffic conditions are expected between 19:15 and 19:30 on 5 December 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 15.81 miles from Saunderton.

Location: northbound exit slip at junction J9 (Bicester) .
Lane Closures : Lane two is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 15:45 and 16:00 on 5 December 2025.
Normal traffic conditions are expected between 15:45 and 16:00 on 5 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.52 miles from Saunderton.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Road traffic collision.
Status : Cleared.
Nearest town: 16.67 miles from Saunderton.

Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 19.4 miles from Saunderton.

Location: northbound entry slip at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 16:30 and 16:45 on 5 December 2025.
Nearest town: 18.26 miles from Saunderton.

Location: eastbound entry slip at junction J7 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 16:30 and 16:45 on 5 December 2025.
Nearest town: 15.71 miles from Saunderton.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 16:30 and 16:45 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.99 miles from Saunderton.

Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 16:45 and 17:00 on 5 December 2025.
Delay : There are currently delays of 40 minutes against expected traffic.
Nearest town: 15.22 miles from Saunderton.

Location: northbound between the A4155 and the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 16:45 and 17:00 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.43 miles from Saunderton.

Location: southbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 15:45 and 16:00 on 5 December 2025.
Nearest town: 7.25 miles from Saunderton.

Location: southbound between the junctions with the A4146 South and the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 16:00 and 16:15 on 5 December 2025.
Nearest town: 19.62 miles from Saunderton.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 15:45 and 16:00 on 5 December 2025.
Nearest town: 19.34 miles from Saunderton.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 5 December 2025.
Delay : There are currently delays of 15 minutes against expected traffic.
Nearest town: 15.9 miles from Saunderton.

Location: southbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 15:30 and 15:45 on 5 December 2025.
Nearest town: 7.25 miles from Saunderton.

Location: westbound between the junctions with the A437 and the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 15:15 and 15:30 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.96 miles from Saunderton.

Location: northbound entry slip at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 15:45 and 16:00 on 5 December 2025.
Nearest town: 18.27 miles from Saunderton.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 15:15 and 15:30 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.42 miles from Saunderton.

Location: northbound at the junction with the A423 north of Kennington.
Due to: Congestion.
Normal traffic conditions are expected between 16:30 and 16:45 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.23 miles from Saunderton.

Location: anticlockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 15:00 and 15:15 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.82 miles from Saunderton.

Location: southbound at the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 14:15 and 14:30 on 5 December 2025.
Nearest town: 19.62 miles from Saunderton.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 15:00 and 15:15 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by an earlier accident.
Nearest town: 15.47 miles from Saunderton.

Location: northbound exit slip at junction J9 (Bicester) .
Due to: Congestion.
Normal traffic conditions are expected between 14:15 and 14:30 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.39 miles from Saunderton.

Location: anticlockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 14:15 and 14:30 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.82 miles from Saunderton.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 13:45 and 14:00 on 5 December 2025.
Nearest town: 7.43 miles from Saunderton.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 14:15 and 14:30 on 5 December 2025.
Cause : Road traffic collision.
Delay : There are currently delays of 20 minutes against expected traffic.
Nearest town: 15.9 miles from Saunderton.

Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 12:45 and 13:00 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.35 miles from Saunderton.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 13:00 and 13:15 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.34 miles from Saunderton.

Location: anticlockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 10:45 and 11:00 on 5 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.82 miles from Saunderton.

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: 8.72 miles from Saunderton.

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: 3.64 miles from Saunderton.

Location: anticlockwise at junction J16 (M40) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.82 miles from Saunderton.

Location: clockwise at junction J16 (M40) .
Lane Closures : Lane three will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.41 miles from Saunderton.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 5 December 2025 to 06:00 on 6 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.89 miles from Saunderton.

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: 15.83 miles from Saunderton.

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: 15.31 miles from Saunderton.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 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 two of four lanes closed.
Nearest town: 17 miles from Saunderton.

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: 19.62 miles from Saunderton.

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: 6.01 miles from Saunderton.

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: 7.06 miles from Saunderton.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Due to: Roadworks scheme.
Period : from 20:04 on 26 November 2025 to 06:00 on 12 December 2025.
Nearest town: 15.43 miles from Saunderton.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier 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: 11.92 miles from Saunderton.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane four will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 6 December 2025 to 06:00 on 7 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 12.52 miles from Saunderton.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 6 December 2025 to 06:00 on 7 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.43 miles from Saunderton.

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: 11.38 miles from Saunderton.

Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs 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: 19.99 miles from Saunderton.

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: 12.52 miles from Saunderton.

Location: westbound between junctions J7 (Slough) and J8 (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 four lanes closed.
Nearest town: 15.37 miles from Saunderton.

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: 7.4 miles from Saunderton.

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: 8.49 miles from Saunderton.

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: 4.1 miles from Saunderton.

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: 3.68 miles from Saunderton.

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: 3.73 miles from Saunderton.

Location: southbound exit slip to the A4130 .
Due to: Horticultural works 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: 19.95 miles from Saunderton.

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: 6.75 miles from Saunderton.

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: 19.43 miles from Saunderton.

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: 19.44 miles from Saunderton.

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: 19.01 miles from Saunderton.

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: 10.02 miles from Saunderton.

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: 10.72 miles from Saunderton.

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: 10.04 miles from Saunderton.

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: 9.82 miles from Saunderton.

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: 17.19 miles from Saunderton.

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: 7.21 miles from Saunderton.

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: 6.76 miles from Saunderton.

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: 7.21 miles from Saunderton.

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: 7.26 miles from Saunderton.

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: 9.06 miles from Saunderton.

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: 12.4 miles from Saunderton.

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: 12.25 miles from Saunderton.

Location: westbound exit slip to the A412 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 8 December 2025 to 12 December 2025.
Schedule : From 23:00 on 12 December 2025 to 05:30 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.51 miles from Saunderton.

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: 19.04 miles from Saunderton.

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: 19.03 miles from Saunderton.

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: 19.14 miles from Saunderton.

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: 19.18 miles from Saunderton.

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: 17.11 miles from Saunderton.

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: 17.37 miles from Saunderton.

Location: southbound between the A4130 and the junction with the M4 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 8 December 2025 to 06:00 on 9 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.41 miles from Saunderton.

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: 18.83 miles from Saunderton.

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: 19.49 miles from Saunderton.

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: 19.98 miles from Saunderton.

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: 4.29 miles from Saunderton.

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: 12.31 miles from Saunderton.

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: 14.08 miles from Saunderton.

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: 8.31 miles from Saunderton.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:15 on 6 December 2025 to 06:00 on 7 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.63 miles from Saunderton.

Location: clockwise entry slip at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:15 on 6 December 2025 to 06:00 on 7 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.39 miles from Saunderton.

Location: eastbound exit slip at junction J8 (High Wycombe) .
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 12 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.17 miles from Saunderton.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
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 12 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.43 miles from Saunderton.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
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 8 December 2025 to 13 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.9 miles from Saunderton.

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: 18.83 miles from Saunderton.

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: 19.89 miles from Saunderton.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 13 December 2025.
Nearest town: 19.9 miles from Saunderton.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 8 December 2025 to 06:00 on 18 December 2025.
Nearest town: 18.82 miles from Saunderton.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:30 on 5 December 2025 to 06:00 on 6 December 2025.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 8 December 2025 to 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.11 miles from Saunderton.
