Location: northbound at junction J9 (Bicester) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Vehicle fire.
Time To Clear : The event is expected to clear between 16:45 and 17:00 on 12 December 2025.
Normal traffic conditions are expected between 17:45 and 18:00 on 12 December 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.97 miles from Saunderton Lee.

Location: northbound entry slip at junction J9 (Bicester) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Vehicle fire.
Time To Clear : The event is expected to clear between 16:45 and 17:00 on 12 December 2025.
Normal traffic conditions are expected between 16:45 and 17:00 on 12 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.87 miles from Saunderton Lee.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 16:45 and 17:00 on 12 December 2025.
Normal traffic conditions are expected between 17:15 and 17:30 on 12 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 16.76 miles from Saunderton Lee.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Road traffic collision.
Status : Cleared.
Nearest town: 19.69 miles from Saunderton Lee.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 12:45 and 13:00 on 12 December 2025.
Normal traffic conditions are expected between 13:15 and 13:30 on 12 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 14.73 miles from Saunderton Lee.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Road traffic collision.
Status : Cleared.
Nearest town: 14.52 miles from Saunderton Lee.

Location: northbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two is closed.
Due to: Road Management.
Time To Clear : The event is expected to clear between 22:45 and 23:00 on 12 December 2025.
Normal traffic conditions are expected between 22:45 and 23:00 on 12 December 2025.
Lanes Closed : There is one of two lanes closed.
Previous
Due to: Following an earlier police incident.
Nearest town: 11.35 miles from Saunderton Lee.

Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 18.26 miles from Saunderton Lee.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Due to: Congestion.
Normal traffic conditions are expected between 16:30 and 16:45 on 12 December 2025.
Nearest town: 11 miles from Saunderton Lee.

Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 16:30 and 16:45 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.82 miles from Saunderton Lee.

Location: northbound at junction J9 (Bicester) .
Due to: Congestion.
Normal traffic conditions are expected between 16:45 and 17:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.84 miles from Saunderton Lee.

Location: northbound entry slip at junction J9 (Bicester) .
Due to: Congestion.
Normal traffic conditions are expected between 17:00 and 17:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.98 miles from Saunderton Lee.

Location: northbound at the junction with the A4130 .
Due to: Congestion.
Normal traffic conditions are expected between 17:00 and 17:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 10.83 miles from Saunderton Lee.

Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 15:45 and 16:00 on 12 December 2025.
Nearest town: 19.82 miles from Saunderton Lee.

Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 15:30 and 15:45 on 12 December 2025.
Nearest town: 19.82 miles from Saunderton Lee.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 15:30 and 15:45 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.89 miles from Saunderton Lee.

Location: anticlockwise exit slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 16:30 and 16:45 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.93 miles from Saunderton Lee.

Location: clockwise exit slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 15:00 and 15:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.63 miles from Saunderton Lee.

Location: northbound at junction J6 (Watford A405) .
Due to: Congestion.
Normal traffic conditions are expected between 15:30 and 15:45 on 12 December 2025.
Earlier
Due to: Caused by an earlier accident.
Nearest town: 19.78 miles from Saunderton Lee.

Location: clockwise exit slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 14:15 and 14:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.63 miles from Saunderton Lee.

Location: anticlockwise exit slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 14:15 and 14:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.93 miles from Saunderton Lee.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 14:15 and 14:30 on 12 December 2025.
Nearest town: 19.89 miles from Saunderton Lee.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Due to: Congestion.
Normal traffic conditions are expected between 13:30 and 13:45 on 12 December 2025.
Nearest town: 11 miles from Saunderton Lee.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 12:45 and 13:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.89 miles from Saunderton Lee.

Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 12:15 and 12:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 5.97 miles from Saunderton Lee.

Location: eastbound exit slip at junction J11 (Basingstoke) .
Due to: Congestion.
Normal traffic conditions are expected between 12:00 and 12:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.52 miles from Saunderton Lee.

Location: clockwise entry slip at junction J15 (Slough) from the M4 westbound.
Due to: Congestion.
Normal traffic conditions are expected between 11:45 and 12:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.89 miles from Saunderton Lee.

Location: northbound at the junction with the A423 north of Kennington.
Due to: Congestion.
Normal traffic conditions are expected between 12:15 and 12:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18 miles from Saunderton Lee.

Location: westbound between the junctions with the A437 and the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 11:00 and 11:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.81 miles from Saunderton Lee.

Location: northbound at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 10:45 and 11:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.19 miles from Saunderton Lee.

Location: anticlockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 10:45 and 11:00 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.26 miles from Saunderton Lee.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 10:30 and 10:45 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 6.05 miles from Saunderton Lee.

Location: northbound entry slip at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 11:15 and 11:30 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 16.99 miles from Saunderton Lee.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Due to: Congestion.
Normal traffic conditions are expected between 11:00 and 11:15 on 12 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Earlier
Due to: Caused by an earlier accident.
Nearest town: 14.79 miles from Saunderton Lee.

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 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.15 miles from Saunderton Lee.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane four will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 9.93 miles from Saunderton Lee.

Location: southbound entry slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.44 miles from Saunderton Lee.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 8.76 miles from Saunderton Lee.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.53 miles from Saunderton Lee.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.21 miles from Saunderton Lee.

Location: southbound between the A4130 and the junction with the A4 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.91 miles from Saunderton Lee.

Location: The A404M southbound entry slip at junction J9B .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.94 miles from Saunderton Lee.

Location: The A404M southbound between junctions J9B and J9A .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.74 miles from Saunderton Lee.

Location: northbound entry slip at junction J6 (Watford A405) .
Due to: Roadworks scheme.
Period : from 19:45 on 11 December 2025 to 06:00 on 13 December 2025.
Nearest town: 19.78 miles from Saunderton Lee.

Location: northbound entry slip at junction J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.78 miles from Saunderton Lee.

Location: northbound exit slip at junction J6 (Watford A405) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 11 December 2025 to 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.85 miles from Saunderton Lee.

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: 3.06 miles from Saunderton Lee.

Location: northbound between junctions J7 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 19 December 2025.
Nearest town: 9.95 miles from Saunderton Lee.

Location: westbound exit slip to the A412 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
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: 17.36 miles from Saunderton Lee.

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 12 December 2025.
Nearest town: 6.97 miles from Saunderton Lee.

Location: westbound at junction J12 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.45 miles from Saunderton Lee.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.11 miles from Saunderton Lee.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.69 miles from Saunderton Lee.

Location: westbound between junctions J11 (Basingstoke) and J13 (Newbury) .
Due to: Roadworks scheme.
Period : from 20:02 on 11 December 2025 to 06:00 on 13 December 2025.
Nearest town: 19.68 miles from Saunderton Lee.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.45 miles from Saunderton Lee.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.68 miles from Saunderton Lee.

Location: westbound entry slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.44 miles from Saunderton Lee.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Due to: Roadworks scheme.
Period : from 20:03 on 8 December 2025 to 06:00 on 13 December 2025.
Nearest town: 19.11 miles from Saunderton Lee.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Due to: Roadworks scheme.
Period : from 20:01 on 8 December 2025 to 06:00 on 18 December 2025.
Nearest town: 17.56 miles from Saunderton Lee.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Due to: Roadworks scheme.
Period : from 20:02 on 9 December 2025 to 06:00 on 13 December 2025.
Nearest town: 19.69 miles from Saunderton Lee.

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 12 December 2025 to 06:00 on 13 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.72 miles from Saunderton Lee.

Location: clockwise entry slip at junction J18 (Rickmansworth) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 15 December 2025 to 05:30 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.07 miles from Saunderton Lee.

Location: clockwise.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 15 December 2025 to 05:30 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.06 miles from Saunderton Lee.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 5.8 miles from Saunderton Lee.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.95 miles from Saunderton Lee.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 December 2025 to 06:00 on 14 December 2025.
Nearest town: 3.21 miles from Saunderton Lee.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 3.21 miles from Saunderton Lee.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 4.7 miles from Saunderton Lee.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.55 miles from Saunderton Lee.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.08 miles from Saunderton Lee.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.51 miles from Saunderton Lee.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.82 miles from Saunderton Lee.

Location: southbound entry slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 8.44 miles from Saunderton Lee.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 8.76 miles from Saunderton Lee.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.53 miles from Saunderton Lee.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.08 miles from Saunderton Lee.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.25 miles from Saunderton Lee.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 18 December 2025 to 23:59 on 20 December 2025.
Nearest town: 13.57 miles from Saunderton Lee.

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 22:30 on 14 December 2025 to 05:00 on 15 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.03 miles from Saunderton Lee.

Location: eastbound entry slip at junction J4B (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 13 December 2025 to 05:00 on 14 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.99 miles from Saunderton Lee.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lane four will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 14 December 2025 to 05:00 on 15 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.47 miles from Saunderton Lee.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.7 miles from Saunderton Lee.

Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 17 December 2025 to 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.63 miles from Saunderton Lee.

Location: clockwise between junctions J16 (M40) and J18 (Rickmansworth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 17 December 2025 to 19 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.39 miles from Saunderton Lee.

Location: clockwise exit slip at junction J17 (Maple Cross) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 17 December 2025 to 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.6 miles from Saunderton Lee.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.37 miles from Saunderton Lee.

Location: The A404M southbound between junctions J9A and J9 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.48 miles from Saunderton Lee.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.72 miles from Saunderton Lee.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.05 miles from Saunderton Lee.

Location: northbound entry slip at junction J6 (Watford A405) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Nearest town: 19.78 miles from Saunderton Lee.

Location: northbound entry slip at junction J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.78 miles from Saunderton Lee.

Location: northbound exit slip at junction J6 (Watford A405) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.85 miles from Saunderton Lee.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 8.76 miles from Saunderton Lee.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.41 miles from Saunderton Lee.

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 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 9.03 miles from Saunderton Lee.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 December 2025 to 18 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.6 miles from Saunderton Lee.

Location: northbound between junctions J8A (Thame) and J10 (Northampton) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 14 December 2025 to 06:00 on 15 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.78 miles from Saunderton Lee.

Location: southbound entry slip from the M40 .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 5.98 miles from Saunderton Lee.

Location: northbound 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 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 6.03 miles from Saunderton Lee.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.35 miles from Saunderton Lee.

Location: northbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.15 miles from Saunderton Lee.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.46 miles from Saunderton Lee.

Location: northbound at junction J2 (Beaconsfield) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 06:00 on 17 December 2025.
Nearest town: 11.09 miles from Saunderton Lee.

Location: northbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.15 miles from Saunderton Lee.

Location: northbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.46 miles from Saunderton Lee.

Location: northbound between the junctions with the M1 and the M25 .
Lane Closures : Lane two will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 16 December 2025 to 05:00 on 17 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.91 miles from Saunderton Lee.

Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Lane Closures : Lane four will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.01 miles from Saunderton Lee.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lane four will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.11 miles from Saunderton Lee.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.6 miles from Saunderton Lee.

Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 17 December 2025.
Schedule : From 23:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.6 miles from Saunderton Lee.

Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 17 December 2025.
Schedule : From 23:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.73 miles from Saunderton Lee.

Location: northbound between the junctions with the M1 and the M25 .
Lane Closures : Lane one will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 15 December 2025 to 05:00 on 16 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.91 miles from Saunderton Lee.

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 15 December 2025 to 19 December 2025.
Schedule : From 23:00 on 19 December 2025 to 05:30 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.36 miles from Saunderton Lee.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.13 miles from Saunderton Lee.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 17 December 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.64 miles from Saunderton Lee.

Location: anticlockwise at junction J18 (Rickmansworth) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.09 miles from Saunderton Lee.

Location: anticlockwise exit slip at junction J17 (Maple Cross) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 15 December 2025 to 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 14.81 miles from Saunderton Lee.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 05:00 on 16 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.86 miles from Saunderton Lee.

Location: westbound at junction J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 05:00 on 16 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.85 miles from Saunderton Lee.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 05:00 on 16 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.11 miles from Saunderton Lee.

Location: westbound entry slip at junction J8 (High Wycombe) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 05:00 on 16 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.83 miles from Saunderton Lee.

Location: southbound between the A4183 south of Kennington and the junction with the A4130 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 19 December 2025.
Nearest town: 19.64 miles from Saunderton Lee.

Location: southbound between the A4183 south of Kennington and the junction with the A4130 .
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 15 December 2025 to 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.64 miles from Saunderton Lee.

Location: southbound entry slip from the A415 .
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 15 December 2025 to 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.99 miles from Saunderton Lee.

Location: northbound between the junctions with the A44 and the M40 .
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 15 December 2025 to 17 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.86 miles from Saunderton Lee.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 14 December 2025 to 23:59 on 18 December 2025.
Nearest town: 6.4 miles from Saunderton Lee.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 December 2025 to 06:00 on 14 December 2025.
Nearest town: 9.59 miles from Saunderton Lee.

Location: southbound entry slip at junction J7 (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 December 2025 to 06:00 on 14 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 9.5 miles from Saunderton Lee.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 12 December 2025 to 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.8 miles from Saunderton Lee.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 12 December 2025 to 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.95 miles from Saunderton Lee.

Location: westbound at junction J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.45 miles from Saunderton Lee.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.69 miles from Saunderton Lee.

Location: westbound exit slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.
Schedule : From 21:00 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.45 miles from Saunderton Lee.
