Location: eastbound exit slip at junction J7 (Slough) .
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 07:00 and 07:15 on 13 December 2025.
Normal traffic conditions are expected between 07:00 and 07:15 on 13 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.92 miles from Catslip.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 10:15 and 10:30 on 13 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 10.05 miles from Catslip.

Location: southbound between the junctions with the A44 and the A420 .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 13 December 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.66 miles from Catslip.

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 13 December 2025.
Nearest town: 11.46 miles from Catslip.

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 13 December 2025.
Nearest town: 7.22 miles from Catslip.

Location: northbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two is closed.
Due to: Emergency roadworks.
Period : from 18:53 on 12 December 2025 to 12:00 on 15 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.88 miles from Catslip.

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: 6.97 miles from Catslip.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 13.55 miles from Catslip.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane four is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 14.42 miles from Catslip.

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: 11.17 miles from Catslip.

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: 11.13 miles from Catslip.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : The hard shoulder is closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 16:00 on 13 December 2025.
Nearest town: 10.25 miles from Catslip.

Location: southbound entry slip at junction J3 (Loudwater) .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 13.06 miles from Catslip.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 13.24 miles from Catslip.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.02 miles from Catslip.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 16.63 miles from Catslip.

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 13 December 2025 to 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.09 miles from Catslip.

Location: southbound between the A4130 and the junction with the A4 .
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 9.24 miles from Catslip.

Location: The A404M southbound entry slip at junction J9B .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 10.37 miles from Catslip.

Location: The A404M southbound between junctions J9B and J9A .
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 10.21 miles from Catslip.

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: 11.46 miles from Catslip.

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: 9.58 miles from Catslip.

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: 9.1 miles from Catslip.

Location: westbound between junctions J11 (Basingstoke) 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 four lanes closed.
Nearest town: 10.03 miles from Catslip.

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: 10.01 miles from Catslip.

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: 9.58 miles from Catslip.

Location: westbound between junctions J11 (Basingstoke) 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 four lanes closed.
Nearest town: 10.01 miles from Catslip.

Location: westbound entry slip at junction J12 (Reading) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 9.52 miles from Catslip.

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: 9.1 miles from Catslip.

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: 11.33 miles from Catslip.

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: 10.03 miles from Catslip.

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 : Expect disruption everyday between 09:30 and 15:30 from 18 December 2025 to 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.84 miles from Catslip.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 19 December 2025 to 20 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.01 miles from Catslip.

Location: northbound.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 10.05 miles from Catslip.

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 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.05 miles from Catslip.

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 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.76 miles from Catslip.

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 : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.38 miles from Catslip.

Location: westbound at junction J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.66 miles from Catslip.

Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.44 miles from Catslip.

Location: westbound exit slip at junction J8 (High Wycombe) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.66 miles from Catslip.

Location: northbound at the junction with the A308 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 9.35 miles from Catslip.

Location: northbound between the junctions with the A4130 and the A308 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.15 miles from Catslip.

Location: northbound between the A4 and the junction with the A339 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.17 miles from Catslip.

Location: northbound exit slip to the A4 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Nearest town: 19 miles from Catslip.

Location: northbound exit slip to the A4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19 miles from Catslip.

Location: westbound between junctions J5 (Colnbrook) and J12 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Nearest town: 17.91 miles from Catslip.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.62 miles from Catslip.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.91 miles from Catslip.

Location: eastbound between junctions J11 (Basingstoke) and J5 (Colnbrook) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Nearest town: 10.73 miles from Catslip.

Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17 miles from Catslip.

Location: eastbound at junction J11 (Basingstoke) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 December 2025 to 05:00 on 20 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.73 miles from Catslip.

Location: southbound exit slip at Chieveley Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 06:00 on 16 December 2025.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 January 2026 to 7 January 2026.
Schedule : From 21:00 on 19 January 2026 to 06:00 on 20 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.87 miles from Catslip.

Location: southbound entry slip from the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 15 December 2025 to 06:00 on 16 December 2025.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 January 2026 to 7 January 2026.
Schedule : From 21:00 on 19 January 2026 to 06:00 on 20 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.95 miles from Catslip.

Location: westbound between junctions J4A (Farnborough) and J5 (Hook) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.7 miles from Catslip.

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: 9.58 miles from Catslip.

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: 10.09 miles from Catslip.

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: 6.97 miles from Catslip.

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: 8.44 miles from Catslip.

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: 14.83 miles from Catslip.

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: 16.35 miles from Catslip.

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: 14.67 miles from Catslip.

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: 8.53 miles from Catslip.

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: 13.06 miles from Catslip.

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: 13.24 miles from Catslip.

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: 13.02 miles from Catslip.

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: 14.25 miles from Catslip.

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: 8.82 miles from Catslip.

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: 17.67 miles from Catslip.

Location: eastbound between junctions J4 (Guildford) and J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 December 2025 to 20 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.9 miles from Catslip.

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: 18.58 miles from Catslip.

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: 9.05 miles from Catslip.

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: 12.22 miles from Catslip.

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: 12.43 miles from Catslip.

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: 7.23 miles from Catslip.

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: 13.24 miles from Catslip.

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: 10.99 miles from Catslip.

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: 13.45 miles from Catslip.

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: 10.13 miles from Catslip.

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: 10.31 miles from Catslip.

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: 16.75 miles from Catslip.

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: 15.67 miles from Catslip.

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: 15.97 miles from Catslip.

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: 15.65 miles from Catslip.

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: 15.67 miles from Catslip.

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: 15.97 miles from Catslip.

Location: eastbound exit slip at junction J3 (Woking) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.83 miles from Catslip.

Location: northbound between the M4 and the junction with the A4185 .
Lane Closures : Lane one 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 two lanes closed.
Nearest town: 13.61 miles from Catslip.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.35 miles from Catslip.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.31 miles from Catslip.

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: 13.02 miles from Catslip.

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: 13.44 miles from Catslip.

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: 16.91 miles from Catslip.

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: 12.19 miles from Catslip.

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: 12.66 miles from Catslip.

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: 13.44 miles from Catslip.

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: 12.46 miles from Catslip.

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: 15.31 miles from Catslip.

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: 15.31 miles from Catslip.

Location: northbound exit slip to the A415 .
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: 15.32 miles from Catslip.

Location: northbound exit slip to the A415 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 15 December 2025 to 19 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.32 miles from Catslip.

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: 15.31 miles from Catslip.

Location: northbound between the A4130 and the junction with the A415 .
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: 15.24 miles from Catslip.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.83 miles from Catslip.

Location: westbound at junction J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 December 2025 to 06:00 on 17 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.99 miles from Catslip.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 16 December 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 20 miles from Catslip.

Location: eastbound between junctions J5 (Hook) and J4A (Farnborough) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 19.76 miles from Catslip.

Location: westbound between junctions J4A (Farnborough) and J5 (Hook) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 15 December 2025 to 16:00 on 15 December 2025.
Nearest town: 19.78 miles from Catslip.

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: 10.98 miles from Catslip.

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 13 December 2025 to 19 December 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.58 miles from Catslip.

Location: westbound between junctions J4A (Farnborough) and J6 (Basingstoke) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 15 December 2025 to 06:00 on 21 December 2025.
Nearest town: 19.7 miles from Catslip.

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: 9.58 miles from Catslip.

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: 10.03 miles from Catslip.

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: 9.58 miles from Catslip.
