Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 18.88 miles from Lower Cadsden.
Location: southbound at junction J8 (Hemel Hstead) link between slip roads.
Due to: Roadworks.
Period : from 03:28 on 14 March 2026 to 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.16 miles from Lower Cadsden.
Location: anticlockwise entry slip at junction J21 (M1) .
Due to: Roadworks.
Period : from 23:16 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.42 miles from Lower Cadsden.
Location: clockwise entry slip at junction J21 (M1) .
Due to: Roadworks.
Period : from 23:17 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.51 miles from Lower Cadsden.
Location: southbound exit slip at junction J6A (St Albans) .
Due to: Roadworks.
Period : from 23:13 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.27 miles from Lower Cadsden.
Location: eastbound between the junctions with the M1 and the A405 .
Due to: Roadworks.
Period : from 22:32 on 13 March 2026 to 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.57 miles from Lower Cadsden.
Location: northbound entry slip at junction J4 (High Wycombe) .
Due to: Roadworks.
Period : from 21:33 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 8.3 miles from Lower Cadsden.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 18.25 miles from Lower Cadsden.
Location: southbound between junctions J8A (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.4 miles from Lower Cadsden.
Location: anticlockwise between junctions J18 (Rickmansworth) 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 14 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 14.62 miles from Lower Cadsden.
Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 14.83 miles from Lower Cadsden.
Location: southbound exit slip at junction J8 (Hemel Hstead) .
Lane Closures : Lane two is closed.
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.25 miles from Lower Cadsden.
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 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.83 miles from Lower Cadsden.
Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 17.92 miles from Lower Cadsden.
Location: southbound.
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 8.24 miles from Lower Cadsden.
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 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 8.28 miles from Lower Cadsden.
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 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 8.24 miles from Lower Cadsden.
Location: northbound between junctions J9 (Dunstable A5) and J11A .
Due to: Roadside Equipment Maintenance.
Period : from 15:26 on 4 March 2026 to 05:00 on 19 March 2026.
Nearest town: 18.02 miles from Lower Cadsden.
Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 20 March 2026.
Nearest town: 18.18 miles from Lower Cadsden.
Location: westbound between junctions J5 (Colnbrook) and J7 (Slough) .
Due to: Roadworks scheme.
Period : from 20:07 on 13 March 2026 to 06:00 on 28 March 2026.
Nearest town: 18.43 miles from Lower Cadsden.
Location: eastbound entry slip at junction J6 (Slough) .
Due to: Roadworks scheme.
Period : from 21:02 on 11 March 2026 to 06:00 on 22 March 2026.
Nearest town: 17.75 miles from Lower Cadsden.
Location: westbound between junctions J8 (High Wycombe) and J11 (Basingstoke) .
Due to: Roadworks scheme.
Period : from 20:04 on 6 March 2026 to 06:00 on 15 March 2026.
Nearest town: 18.83 miles from Lower Cadsden.
Location: northbound between the A4183 south of Kennington and the junction with the A420 .
Due to: Roadworks scheme.
Period : from 21:00 on 9 March 2026 to 06:00 on 26 March 2026.
Nearest town: 19.52 miles from Lower Cadsden.
Location: northbound at junction J1 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.18 miles from Lower Cadsden.
Location: westbound between the A437 and the junction with the A412 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.64 miles from Lower Cadsden.
Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.58 miles from Lower Cadsden.
Location: northbound at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.07 miles from Lower Cadsden.
Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.84 miles from Lower Cadsden.
Location: The A404M southbound exit slip at junction J9A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.71 miles from Lower Cadsden.
Location: The A404M southbound exit slip at junction J9A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.71 miles from Lower Cadsden.
Location: The A404M southbound entry slip at junction J9A .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.6 miles from Lower Cadsden.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.35 miles from Lower Cadsden.
Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.73 miles from Lower Cadsden.
Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 14.44 miles from Lower Cadsden.
Location: clockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.9 miles from Lower Cadsden.
Location: southbound.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.28 miles from Lower Cadsden.
Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.24 miles from Lower Cadsden.
Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.37 miles from Lower Cadsden.
Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 23 March 2026 to 05:30 on 24 March 2026.
Schedule : From 22:00 on 26 March 2026 to 05:30 on 27 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.55 miles from Lower Cadsden.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 23 March 2026 to 05:30 on 24 March 2026.
Schedule : From 22:00 on 26 March 2026 to 05:30 on 27 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.25 miles from Lower Cadsden.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.36 miles from Lower Cadsden.
Location: clockwise at junction J17 (Maple Cross) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.4 miles from Lower Cadsden.
Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.73 miles from Lower Cadsden.
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 21:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.15 miles from Lower Cadsden.
Location: southbound between the M40 and the junction with the A4155 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.32 miles from Lower Cadsden.
Location: northbound between the A4155 and the junction with the M40 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.33 miles from Lower Cadsden.
Location: eastbound at junction J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.37 miles from Lower Cadsden.
Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Nearest town: 16.78 miles from Lower Cadsden.
Location: eastbound exit slip at junction J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.37 miles from Lower Cadsden.
Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 16.78 miles from Lower Cadsden.
Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.25 miles from Lower Cadsden.
Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.22 miles from Lower Cadsden.
Location: northbound exit slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.25 miles from Lower Cadsden.
Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
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 05:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.09 miles from Lower Cadsden.
Location: northbound between junctions J9 (Dunstable A5) and J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 19 March 2026 to 15:30 on 19 March 2026.
Nearest town: 18.14 miles from Lower Cadsden.
Location: northbound between junctions J9 (Dunstable A5) and J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 19 March 2026 to 15:30 on 19 March 2026.
Nearest town: 18.4 miles from Lower Cadsden.
Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.65 miles from Lower Cadsden.
Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
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 18 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 2 April 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 7 April 2026 to 9 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.83 miles from Lower Cadsden.
Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.75 miles from Lower Cadsden.
Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
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 18 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 2 April 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 7 April 2026 to 9 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.34 miles from Lower Cadsden.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:30 on 19 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.68 miles from Lower Cadsden.
Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.73 miles from Lower Cadsden.
Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Nearest town: 17.28 miles from Lower Cadsden.
Location: southbound entry slip from the A4155 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.5 miles from Lower Cadsden.
Location: southbound between the A4155 and the junction with the A308 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Nearest town: 10.46 miles from Lower Cadsden.
Location: southbound between the A4155 and the junction with the A308 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.46 miles from Lower Cadsden.
Location: The A404M northbound exit slip at junction J9A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.61 miles from Lower Cadsden.
Location: The A404M northbound exit slip at junction J9A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.61 miles from Lower Cadsden.
Location: The A404M northbound entry slip at junction J9A .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.73 miles from Lower Cadsden.
Location: westbound between junctions J6 (Slough) and J7 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.37 miles from Lower Cadsden.
Location: westbound at junction J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.93 miles from Lower Cadsden.
Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.43 miles from Lower Cadsden.
Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 18.43 miles from Lower Cadsden.
Location: westbound entry slip at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.74 miles from Lower Cadsden.
Location: eastbound between junctions J8 (High Wycombe) and J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 21 March 2026 to 06:00 on 22 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 16.49 miles from Lower Cadsden.
Location: eastbound at junction J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.44 miles from Lower Cadsden.
Location: eastbound between junctions J7 (Slough) and J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.78 miles from Lower Cadsden.
Location: eastbound entry slip at junction J6 (Slough) .
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 18 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.75 miles from Lower Cadsden.
Location: eastbound entry slip at junction J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 21 March 2026 to 06:00 on 22 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.25 miles from Lower Cadsden.
Location: westbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.93 miles from Lower Cadsden.
Location: eastbound exit slip at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.44 miles from Lower Cadsden.
Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 18 March 2026 to 23:59 on 19 March 2026.
Nearest town: 7.61 miles from Lower Cadsden.
Location: southbound entry slip from the M40 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 00:00 on 18 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.3 miles from Lower Cadsden.
Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.53 miles from Lower Cadsden.
Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.91 miles from Lower Cadsden.
Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.95 miles from Lower Cadsden.
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 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.95 miles from Lower Cadsden.
Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.03 miles from Lower Cadsden.
Location: clockwise between junctions J16 (M40) and J18 (Rickmansworth) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.35 miles from Lower Cadsden.
Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.41 miles from Lower Cadsden.
Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 00:00 on 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.69 miles from Lower Cadsden.
Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.93 miles from Lower Cadsden.
Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 17.36 miles from Lower Cadsden.
Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 7.78 miles from Lower Cadsden.
Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 18.26 miles from Lower Cadsden.
Location: southbound exit slip at junction J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 18.17 miles from Lower Cadsden.
Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 17 March 2026 to 23:59 on 18 March 2026.
Nearest town: 7.81 miles from Lower Cadsden.
Location: southbound at junction J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.32 miles from Lower Cadsden.
Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.46 miles from Lower Cadsden.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.35 miles from Lower Cadsden.
Location: northbound exit slip at junction J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.78 miles from Lower Cadsden.
Location: southbound exit slip at junction J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.32 miles from Lower Cadsden.
Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.54 miles from Lower Cadsden.
Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.8 miles from Lower Cadsden.
Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.45 miles from Lower Cadsden.
Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.99 miles from Lower Cadsden.
Location: southbound entry slip at junction J5 (Harrow A41) .
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 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.52 miles from Lower Cadsden.
Location: southbound between junctions J6 (Watford A405) and J5 (Harrow A41) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.97 miles from Lower Cadsden.
Location: northbound at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.51 miles from Lower Cadsden.
Location: northbound between junctions J10 (Luton Airport) and J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.57 miles from Lower Cadsden.
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 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.06 miles from Lower Cadsden.
Location: northbound exit slip at junction J11 (Luton) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.51 miles from Lower Cadsden.
Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
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 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.34 miles from Lower Cadsden.
Location: northbound between the junctions with the A44 and the M40 .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.23 miles from Lower Cadsden.
Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.61 miles from Lower Cadsden.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.12 miles from Lower Cadsden.
Location: northbound between the junctions with the A4146 Bletchley South and the A4146 Bletchley North.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.9 miles from Lower Cadsden.
Location: northbound between the A421 and the junction with the A509 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.81 miles from Lower Cadsden.
Location: southbound between the A4146 North and the junction with the A4012 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.08 miles from Lower Cadsden.
Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.18 miles from Lower Cadsden.
Location: southbound between the A421 and the junction with the A4146 South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.95 miles from Lower Cadsden.
Location: southbound between the A421 and the junction with the A4146 South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.81 miles from Lower Cadsden.
Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.59 miles from Lower Cadsden.
Location: northbound at junction J1 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.11 miles from Lower Cadsden.
Location: westbound between the junctions with the A437 and the M40 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.64 miles from Lower Cadsden.
Location: southbound between junctions J1A (Watford) and J1 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.5 miles from Lower Cadsden.
Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 16 March 2026 to 15:30 on 16 March 2026.
Nearest town: 8.77 miles from Lower Cadsden.
Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.06 miles from Lower Cadsden.
Location: clockwise between junctions J20 (Hemel Hstead) and J21A (Watword) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.96 miles from Lower Cadsden.
Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.05 miles from Lower Cadsden.
Location: northbound between junctions J5 (Harrow A41) and J6A (St Albans) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.91 miles from Lower Cadsden.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.25 miles from Lower Cadsden.
Location: clockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.9 miles from Lower Cadsden.
Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.93 miles from Lower Cadsden.
Location: southbound entry slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.23 miles from Lower Cadsden.
Location: southbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 15 March 2026 to 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.23 miles from Lower Cadsden.
Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 15 March 2026 to 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.64 miles from Lower Cadsden.
Location: northbound between junctions J11A and J14 (Milton Keynes) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.29 miles from Lower Cadsden.
Location: northbound between junctions J9 (Dunstable A5) and J11A .
Lane Closures : Lanes 1, 2, 3, 4 and 5 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.1 miles from Lower Cadsden.
Location: westbound exit slip to the A412 .
Lane Closures : Lane two is closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.18 miles from Lower Cadsden.
Location: southbound between the A423 north of Kennington and the junction with the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.98 miles from Lower Cadsden.
Location: northbound between the junctions with the A415 and the A423 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.89 miles from Lower Cadsden.
Location: southbound exit slip to the A4183 south of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.35 miles from Lower Cadsden.
Location: southbound between the A420 and the junction with the A423 north of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.24 miles from Lower Cadsden.
Location: northbound exit slip at junction J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 March 2026 to 06:00 on 14 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 17 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 4 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.24 miles from Lower Cadsden.
Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.54 miles from Lower Cadsden.
Location: southbound entry slip at junction J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 March 2026 to 05:00 on 14 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 4 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.3 miles from Lower Cadsden.
Location: southbound at junction J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.32 miles from Lower Cadsden.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.82 miles from Lower Cadsden.
Location: northbound entry slip at junction J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.04 miles from Lower Cadsden.
Location: northbound entry slip at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.59 miles from Lower Cadsden.
Location: northbound exit slip at junction J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.75 miles from Lower Cadsden.
Location: northbound exit slip at junction J11 (Luton) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.51 miles from Lower Cadsden.
Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.81 miles from Lower Cadsden.
Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.85 miles from Lower Cadsden.
Location: northbound exit slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.07 miles from Lower Cadsden.
Location: southbound exit slip at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.29 miles from Lower Cadsden.
Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 21 March 2026 to 05:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.72 miles from Lower Cadsden.
Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 16 March 2026 to 20 March 2026.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 23 March 2026 to 27 March 2026.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 30 March 2026 to 31 March 2026.
Nearest town: 7.75 miles from Lower Cadsden.
Location: southbound between the A423 north of Kennington and the junction with the A4130 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Nearest town: 18.98 miles from Lower Cadsden.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 13 March 2026 to 05:00 on 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.5 miles from Lower Cadsden.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
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 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.23 miles from Lower Cadsden.
Location: anticlockwise exit slip at junction J21 (M1) .
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 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.9 miles from Lower Cadsden.
Location: northbound entry slip at junction J6A (St Albans) .
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 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.29 miles from Lower Cadsden.
Location: northbound at junction J6 (Watford A405) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.56 miles from Lower Cadsden.
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