Location: southbound exit slip at junction J1A (Watford) .
Due to: Roadworks.
Period : from 21:56 on 28 April 2026 to 05:30 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.87 miles from Crowell Hill.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Due to: Roadworks.
Period : from 21:32 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.94 miles from Crowell Hill.

Location: eastbound exit slip at junction J10 (Reading) .
Due to: Roadworks.
Period : from 21:07 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.21 miles from Crowell Hill.

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 29 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 17.3 miles from Crowell Hill.

Location: westbound entry slip at junction J6 (Slough) .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.55 miles from Crowell Hill.

Location: westbound at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 17.8 miles from Crowell Hill.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 19.24 miles from Crowell Hill.

Location: westbound between junctions J6 (Slough) and J7 (Slough) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 17.1 miles from Crowell Hill.

Location: westbound exit slip at junction J6 (Slough) .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.8 miles from Crowell Hill.

Location: The A404M northbound exit slip at junction J9B .
Due to: Roadworks scheme.
Period : from 19:58 on 28 April 2026 to 06:00 on 29 April 2026.
Nearest town: 12.8 miles from Crowell Hill.

Location: The A404M northbound between junctions J9A and J9B .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.41 miles from Crowell Hill.

Location: The A404M northbound exit slip at junction J9B .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.8 miles from Crowell Hill.

Location: anticlockwise entry slip at junction J16 (M40) From M40 South.
Due to: Road repairs.
Period : expect disruption until 05:30 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.94 miles from Crowell Hill.

Location: clockwise entry slip at junction J16 (M40) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.94 miles from Crowell Hill.

Location: northbound exit slip to the A4130 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.93 miles from Crowell Hill.

Location: northbound between the A4185 and the junction with the A415 .
Due to: Roadworks scheme.
Period : from 21:02 on 28 April 2026 to 06:00 on 29 April 2026.
Nearest town: 17.89 miles from Crowell Hill.

Location: northbound between the A4185 and the junction with the A415 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.89 miles from Crowell Hill.

Location: northbound between the M4 and the junction with the A4185 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.04 miles from Crowell Hill.

Location: eastbound between junctions J11 (Basingstoke) and J10 (Reading) .
Due to: Roadworks scheme.
Period : from 21:05 on 14 April 2026 to 06:00 on 2 May 2026.
Nearest town: 17.4 miles from Crowell Hill.

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 21:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 2.26 miles from Crowell Hill.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.16 miles from Crowell Hill.

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 23:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.73 miles from Crowell Hill.

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 23:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.14 miles from Crowell Hill.

Location: anticlockwise exit slip at junction J17 (Maple Cross) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.78 miles from Crowell Hill.

Location: northbound entry slip at junction J5 (High Wycombe) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.08 miles from Crowell Hill.

Location: southbound between junctions J9 (Bicester) and J4 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.44 miles from Crowell Hill.

Location: northbound exit slip at junction J8 (Oxford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.86 miles from Crowell Hill.

Location: northbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.64 miles from Crowell Hill.

Location: northbound exit slip at junction J6 (Thame) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.86 miles from Crowell Hill.

Location: northbound entry slip at junction J6 (Thame) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.94 miles from Crowell Hill.

Location: northbound between junctions J5 (High Wycombe) and J8A (Thame) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.28 miles from Crowell Hill.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 5 May 2026 to 05:30 on 6 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.64 miles from Crowell Hill.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 5 May 2026 to 05:30 on 6 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.82 miles from Crowell Hill.

Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 5 May 2026 to 05:30 on 6 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.9 miles from Crowell Hill.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 16.51 miles from Crowell Hill.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Nearest town: 16.51 miles from Crowell Hill.

Location: westbound at junction J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.87 miles from Crowell Hill.

Location: southbound entry slip from the A423 north of Kennington.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.03 miles from Crowell Hill.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 11 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.3 miles from Crowell Hill.

Location: northbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 11 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.73 miles from Crowell Hill.

Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.09 miles from Crowell Hill.

Location: northbound between junctions J9 (Bicester) and J10 (Northampton) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.69 miles from Crowell Hill.

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 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.63 miles from Crowell Hill.

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 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.02 miles from Crowell Hill.

Location: westbound exit slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.63 miles from Crowell Hill.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 5 May 2026 to 23:59 on 8 May 2026.
Nearest town: 10.52 miles from Crowell Hill.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 09:30 on 1 May 2026 to 16:00 on 1 May 2026.
Nearest town: 17.25 miles from Crowell Hill.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 05:30 on 2 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.22 miles from Crowell Hill.

Location: clockwise between junctions J17 (Maple Cross) and J18 (Rickmansworth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.54 miles from Crowell Hill.

Location: southbound at junction J1A (Watford) .
Lane Closures : Lane three will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 4 May 2026 to 06:00 on 5 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.97 miles from Crowell Hill.

Location: northbound between junctions J9 (Bicester) and J10 (Northampton) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 3 May 2026 to 06:00 on 4 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.96 miles from Crowell Hill.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 3 May 2026 to 23:59 on 6 May 2026.
Nearest town: 15.88 miles from Crowell Hill.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 3 May 2026 to 19:00 on 10 May 2026.
Nearest town: 10.69 miles from Crowell Hill.

Location: southbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 2 May 2026 to 06:00 on 3 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.64 miles from Crowell Hill.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 2 May 2026 to 06:00 on 3 May 2026.
Nearest town: 13.7 miles from Crowell Hill.

Location: southbound at junction J9 (Bicester) .
Lane Closures : Lane two is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.29 miles from Crowell Hill.

Location: southbound entry slip at junction J9 (Bicester) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.93 miles from Crowell Hill.

Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 18.75 miles from Crowell Hill.

Location: southbound between junctions J9 (Bicester) and J8 (Oxford) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.97 miles from Crowell Hill.

Location: southbound exit slip at junction J8A (Thame) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.1 miles from Crowell Hill.

Location: southbound entry slip at junction J8A (Thame) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 8.8 miles from Crowell Hill.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.7 miles from Crowell Hill.

Location: southbound entry slip at junction J3 (Loudwater) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.74 miles from Crowell Hill.

Location: southbound entry slip at junction J4 (High Wycombe) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.71 miles from Crowell Hill.

Location: southbound between junctions J5 (High Wycombe) and J2 (Beaconsfield) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.51 miles from Crowell Hill.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.3 miles from Crowell Hill.

Location: northbound entry slip from the A4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 6 May 2026 to 06:00 on 7 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.65 miles from Crowell Hill.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 2.26 miles from Crowell Hill.

Location: eastbound at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 17.35 miles from Crowell Hill.

Location: eastbound between junctions J11 (Basingstoke) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 17.4 miles from Crowell Hill.

Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 1.21 miles from Crowell Hill.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.69 miles from Crowell Hill.
