Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 01:15 and 01:30 on 28 January 2026.
Normal traffic conditions are expected between 01:15 and 01:30 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Previous
Due to: Following an earlier obstruction involving a medical emergency.
Nearest town: 9.05 miles from Catslip.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
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 21:00 and 21:15 on 27 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 18.07 miles from Catslip.

Location: westbound exit slip at junction J11 (Basingstoke) .
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 18:00 and 18:15 on 27 January 2026.
Normal traffic conditions are expected between 18:00 and 18:15 on 27 January 2026.
Lanes Closed : There are lane closures.
Nearest town: 10.87 miles from Catslip.

Location: northbound between the junctions with the A420 and the A44 .
Lane Closures : Lane one is closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 19:15 and 19:30 on 27 January 2026.
Normal traffic conditions are expected between 20:15 and 20:30 on 27 January 2026.
Delay : There are currently delays of 1 hour against expected traffic.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.08 miles from Catslip.

Location: northbound entry slip from the A423 north of Kennington.
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Nearest town: 16 miles from Catslip.

Location: southbound exit slip to the A420 .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.45 miles from Catslip.

Location: southbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Nearest town: 10 miles from Catslip.

Location: southbound exit slip to the A4155 .
Due to: Congestion.
Normal traffic conditions are expected between 17:30 and 17:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 10.12 miles from Catslip.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 27 January 2026.
Nearest town: 10.05 miles from Catslip.

Location: southbound entry slip from the A44 .
Due to: Congestion.
Normal traffic conditions are expected between 19:30 and 19:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.66 miles from Catslip.

Location: northbound between the A423 north of Kennington and the junction with the A44 .
Due to: Congestion.
Normal traffic conditions are expected between 19:30 and 19:45 on 27 January 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 50 minutes against expected traffic.
Nearest town: 18.31 miles from Catslip.

Location: northbound between the junctions with the A4185 and the A4130 .
Due to: Roadworks.
Period : from 20:35 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.99 miles from Catslip.

Location: northbound between the junctions with the A4130 and the A308 .
Due to: Roadworks.
Period : from 20:12 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.08 miles from Catslip.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 19:00 on 28 January 2026.
Nearest town: 9.59 miles from Catslip.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 17.71 miles from Catslip.

Location: southbound between junctions J1A (Watford) and J1 (Slough) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.1 miles from Catslip.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 19.75 miles from Catslip.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lane three is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 12.37 miles from Catslip.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lane three is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 14.89 miles from Catslip.

Location: eastbound at junction J6 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.33 miles from Catslip.

Location: eastbound between junctions J8 (High Wycombe) and J6 (Slough) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.21 miles from Catslip.

Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17 miles from Catslip.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.17 miles from Catslip.

Location: eastbound between junctions J14 (Hungerford) and J13 (Newbury) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.64 miles from Catslip.

Location: westbound between junctions J13 (Newbury) and J14 (Hungerford) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 18.82 miles from Catslip.

Location: westbound between junctions J4A (Farnborough) and J5 (Hook) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.69 miles from Catslip.

Location: southbound between the A423 north of Kennington and the junction with the A415 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.9 miles from Catslip.

Location: northbound between the A4185 and the junction with the A415 .
Due to: Roadworks scheme.
Period : from 21:01 on 27 January 2026 to 06:00 on 29 January 2026.
Nearest town: 13.23 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 30 January 2026.
Nearest town: 11.47 miles from Catslip.

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 29 January 2026.
Nearest town: 7.87 miles from Catslip.

Location: eastbound between junctions J5 (Hook) and J4A (Farnborough) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 March 2026.
Nearest town: 19.76 miles from Catslip.

Location: westbound between junctions J4A (Farnborough) and J5 (Hook) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 March 2026.
Nearest town: 19.79 miles from Catslip.

Location: southbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 3 February 2026 to 06:00 on 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.94 miles from Catslip.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 3 February 2026 to 06:00 on 4 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.67 miles from Catslip.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
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 3 February 2026 to 6 February 2026.
Schedule : From 23:00 on 6 February 2026 to 05:30 on 7 February 2026.
Schedule : From 22:00 on 9 February 2026 to 05:30 on 10 February 2026.
Schedule : From 22:00 on 11 February 2026 to 05:30 on 12 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.67 miles from Catslip.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 3 February 2026 to 06:00 on 4 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.32 miles from Catslip.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 3 February 2026 to 06:00 on 4 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.84 miles from Catslip.

Location: eastbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 February 2026 to 21 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.69 miles from Catslip.

Location: eastbound between junctions J5 (Hook) and J4A (Farnborough) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 10:00 on 3 February 2026 to 16:00 on 3 February 2026.
Nearest town: 19.81 miles from Catslip.

Location: eastbound between junctions J5 (Hook) and J4A (Farnborough) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 February 2026 to 27 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.79 miles from Catslip.

Location: westbound entry slip at Fleet Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 February 2026 to 27 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.72 miles from Catslip.

Location: westbound exit slip at Fleet Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 February 2026 to 27 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.74 miles from Catslip.

Location: eastbound exit slip at Fleet Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 February 2026 to 21 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.7 miles from Catslip.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 07:00 on 3 February 2026 to 23:59 on 4 February 2026.
Nearest town: 17.67 miles from Catslip.

Location: clockwise at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.92 miles from Catslip.

Location: slip road to the M40 northbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.92 miles from Catslip.

Location: slip road to the M40 southbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.75 miles from Catslip.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 2 February 2026 to 06:00 on 3 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.79 miles from Catslip.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 2 February 2026 to 06:00 on 3 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.83 miles from Catslip.

Location: westbound between junctions J4A (Farnborough) and J5 (Hook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 2 February 2026 to 06:00 on 3 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.68 miles from Catslip.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 2 February 2026 to 19:00 on 6 February 2026.
Nearest town: 17.38 miles from Catslip.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.93 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 : Expect disruption everyday between 20:00 and 06:00 from 28 January 2026 to 30 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.7 miles from Catslip.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.17 miles from Catslip.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.21 miles from Catslip.

Location: northbound between junctions J1A (Watford) and J4 (High Wycombe) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 16.55 miles from Catslip.

Location: southbound between junctions J4 (High Wycombe) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 3 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 9 February 2026 to 14 February 2026.
Schedule : From 22:15 on 16 February 2026 to 06:00 on 17 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.74 miles from Catslip.

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 22:00 on 1 February 2026 to 05:30 on 2 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17 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 1 February 2026 to 23:59 on 3 February 2026.
Nearest town: 10.98 miles from Catslip.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 1 February 2026 to 23:59 on 9 February 2026.
Nearest town: 6.71 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: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.47 miles from Catslip.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.96 miles from Catslip.

Location: southbound entry slip from the A415 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.31 miles from Catslip.

Location: southbound between the junctions with the A4130 and the A4185 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 January 2026 to 1 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.72 miles from Catslip.

Location: eastbound entry slip at Reading Services.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.14 miles from Catslip.

Location: eastbound exit slip at Reading Services.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.13 miles from Catslip.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.07 miles from Catslip.

Location: eastbound entry slip at junction J12 (Reading) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.47 miles from Catslip.

Location: eastbound between junctions J12 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.61 miles from Catslip.

Location: eastbound exit slip at junction J12 (Reading) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.37 miles from Catslip.

Location: southbound exit slip to the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.91 miles from Catslip.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
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 29 January 2026 to 31 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.53 miles from Catslip.

Location: slip road to the M40 northbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.92 miles from Catslip.

Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.85 miles from Catslip.

Location: eastbound at junction J8 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.29 miles from Catslip.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.83 miles from Catslip.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.27 miles from Catslip.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.62 miles from Catslip.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 28 January 2026 to 23:59 on 2 February 2026.
Nearest town: 7.54 miles from Catslip.

Location: southbound between junctions J4 (High Wycombe) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 13.24 miles from Catslip.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 12.43 miles from Catslip.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 9.99 miles from Catslip.

Location: southbound.
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 9.99 miles from Catslip.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 9.73 miles from Catslip.

Location: northbound exit slip to the A4130 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.66 miles from Catslip.

Location: northbound between the A4185 and the junction with the A415 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.23 miles from Catslip.

Location: northbound between the M4 and the junction with the A4185 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.27 miles from Catslip.

Location: eastbound between junctions J5 (Hook) and J4A (Farnborough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 4 March 2026 to 7 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.7 miles from Catslip.

Location: westbound between junctions J4A (Farnborough) and J5 (Hook) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 4 March 2026 to 7 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.86 miles from Catslip.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 2 February 2026 to 06:00 on 11 February 2026.
Nearest town: 11.83 miles from Catslip.

Location: eastbound exit slip at junction J8 (High Wycombe) .
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 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 11 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.29 miles from Catslip.

Location: eastbound at junction J8 (High Wycombe) .
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 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 11 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.29 miles from Catslip.

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 : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 11 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 11.83 miles from Catslip.

Location: westbound exit slip at junction J3 (Woking) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.93 miles from Catslip.
