Location: clockwise entry slip at junction J21 (M1) .
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 13:00 and 13:15 on 29 April 2026.
Normal traffic conditions are expected between 13:00 and 13:15 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.64 miles from Green Hailey.

Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 18.51 miles from Green Hailey.

Location: southbound exit slip to the A4155 .
Due to: Congestion.
Normal traffic conditions are expected between 12:30 and 12:45 on 29 April 2026.
Nearest town: 9.78 miles from Green Hailey.

Location: anticlockwise exit slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 10:30 and 10:45 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.09 miles from Green Hailey.

Location: anticlockwise between junctions J21 (M1) and J20 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 11:00 and 11:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.99 miles from Green Hailey.

Location: anticlockwise entry slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 10:30 and 10:45 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.37 miles from Green Hailey.

Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Due to: Congestion.
Normal traffic conditions are expected between 10:00 and 10:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.07 miles from Green Hailey.

Location: southbound exit slip at junction J6 (Watford A405) .
Due to: Congestion.
Normal traffic conditions are expected between 10:45 and 11:00 on 29 April 2026.
Nearest town: 18.62 miles from Green Hailey.

Location: anticlockwise entry slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 09:45 and 10:00 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.37 miles from Green Hailey.

Location: anticlockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 09:45 and 10:00 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 15.99 miles from Green Hailey.

Location: clockwise exit slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 09:45 and 10:00 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.82 miles from Green Hailey.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 09:30 and 09:45 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 7.81 miles from Green Hailey.

Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 09:30 and 09:45 on 29 April 2026.
Nearest town: 16.98 miles from Green Hailey.

Location: eastbound entry slip from the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.69 miles from Green Hailey.

Location: southbound at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.42 miles from Green Hailey.

Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 29 April 2026.
Nearest town: 16.98 miles from Green Hailey.

Location: southbound between the M25 and the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.75 miles from Green Hailey.

Location: clockwise exit slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 08:45 and 09:00 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.82 miles from Green Hailey.

Location: southbound exit slip at junction J6 (Watford A405) .
Due to: Congestion.
Normal traffic conditions are expected between 09:30 and 09:45 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.62 miles from Green Hailey.

Location: anticlockwise exit slip at junction J21A (Watword) .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 29 April 2026.
Nearest town: 19.09 miles from Green Hailey.

Location: southbound exit slip to the A4155 .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 29 April 2026.
Nearest town: 9.78 miles from Green Hailey.

Location: southbound at junction J8 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 09:45 and 10:00 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.22 miles from Green Hailey.

Location: southbound between junctions J11A and J11 (Luton) .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.24 miles from Green Hailey.

Location: northbound between the junctions with the A4130 and the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 12.1 miles from Green Hailey.

Location: northbound between the junctions with the A412 and the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 09:15 and 09:30 on 29 April 2026.
Nearest town: 18.51 miles from Green Hailey.

Location: southbound exit slip at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 29 April 2026.
Nearest town: 17.36 miles from Green Hailey.

Location: eastbound between the junctions with the M1 and the A405 .
Due to: Congestion.
Normal traffic conditions are expected between 10:30 and 10:45 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.66 miles from Green Hailey.

Location: anticlockwise at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 10:30 and 10:45 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.34 miles from Green Hailey.

Location: anticlockwise entry slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.37 miles from Green Hailey.

Location: northbound entry slip at junction J1 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 29 April 2026.
Nearest town: 17.43 miles from Green Hailey.

Location: westbound between the junctions with the A437 and the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.09 miles from Green Hailey.

Location: southbound at junction J8 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 08:00 and 08:15 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.22 miles from Green Hailey.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 07:45 and 08:00 on 29 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.19 miles from Green Hailey.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : The hard shoulder is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 15:30 on 29 April 2026.
Nearest town: 17.55 miles from Green Hailey.

Location: anticlockwise entry slip at junction J16 (M40) From M40 South.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 29 April 2026 to 05:30 on 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16 miles from Green Hailey.

Location: clockwise entry slip at junction J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 29 April 2026 to 05:30 on 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.99 miles from Green Hailey.

Location: northbound between the A4012 and the junction with the A422 .
Due to: Roadworks scheme.
Period : from 20:14 on 20 April 2026 to 06:00 on 13 May 2026.
Nearest town: 19.29 miles from Green Hailey.

Location: southbound entry slip at junction J9 (Dunstable A5) .
Due to: Roadworks scheme.
Period : from 22:00 on 27 April 2026 to 05:00 on 1 June 2026.
Nearest town: 18.4 miles from Green Hailey.

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: 6 miles from Green Hailey.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 5 May 2026 to 05:00 on 6 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.8 miles from Green Hailey.

Location: westbound between the junctions with the A437 and the M40 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 23:00 on 5 May 2026 to 05:00 on 6 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.26 miles from Green Hailey.

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: 14.42 miles from Green Hailey.

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: 14.71 miles from Green Hailey.

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: 14.31 miles from Green Hailey.

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: 14.32 miles from Green Hailey.

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: 5.9 miles from Green Hailey.

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: 12.52 miles from Green Hailey.

Location: southbound between junctions J11 (Luton) and J10 (Luton Airport) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 5 May 2026 to 05:00 on 6 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.97 miles from Green Hailey.

Location: westbound exit slip to the A412 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 05:30 on 9 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.8 miles from Green Hailey.

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: 11.24 miles from Green Hailey.

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: 11.96 miles from Green Hailey.

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: 7.09 miles from Green Hailey.

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: 7.1 miles from Green Hailey.

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: 5.77 miles from Green Hailey.

Location: clockwise at junction J21A (Watword) .
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 05:30 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: 18.64 miles from Green Hailey.

Location: clockwise at junction J21 (M1) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 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 two of three lanes closed.
Nearest town: 18.05 miles from Green Hailey.

Location: clockwise at junction J21A (Watword) .
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 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: 18.38 miles from Green Hailey.

Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 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: 19.01 miles from Green Hailey.

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: 15.52 miles from Green Hailey.

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: 14.79 miles from Green Hailey.

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: 15.74 miles from Green Hailey.

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: 19.09 miles from Green Hailey.

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: 19.09 miles from Green Hailey.

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: 19.68 miles from Green Hailey.

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: 18.98 miles from Green Hailey.

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: 11.5 miles from Green Hailey.

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: 11.92 miles from Green Hailey.

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: 15.88 miles from Green Hailey.

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: 19.94 miles from Green Hailey.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 May 2026 to 06:00 on 6 May 2026.
Nearest town: 17.2 miles from Green Hailey.

Location: southbound between the junctions with the A4012 and the A5183 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 May 2026 to 06:00 on 6 May 2026.
Nearest town: 17.26 miles from Green Hailey.

Location: northbound between the junctions with the A4146 Bletchley South and the A4146 Bletchley North.
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.5 miles from Green Hailey.

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: 12.73 miles from Green Hailey.

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: 14.29 miles from Green Hailey.

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: 14.08 miles from Green Hailey.

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: 14.17 miles from Green Hailey.

Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 1 September 2026 to 5 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 September 2026 to 12 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 14 September 2026 to 19 September 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 21 September 2026 to 26 September 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.73 miles from Green Hailey.

Location: eastbound between the junctions with the M1 and the A405 .
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 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 May 2026 to 23 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 25 May 2026 to 30 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 1 June 2026 to 6 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.73 miles from Green Hailey.

Location: northbound between junctions J11A and J12 (Flitwick) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:00 on 1 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.64 miles from Green Hailey.

Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 5 May 2026 to 8 May 2026.
Nearest town: 18.33 miles from Green Hailey.

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: 16.04 miles from Green Hailey.

Location: southbound between junctions J6 (Watford A405) and J5 (Harrow A41) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 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 two of three lanes closed.
Nearest town: 18.97 miles from Green Hailey.

Location: southbound entry slip at junction J5 (Harrow A41) .
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 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: 19.41 miles from Green Hailey.

Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
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 05:30 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: 19.17 miles from Green Hailey.

Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 May 2026 to 18 May 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 30 May 2026 to 1 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.53 miles from Green Hailey.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 29 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 4 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 18 May 2026 to 22 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.15 miles from Green Hailey.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
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 05:00 from 9 May 2026 to 11 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.15 miles from Green Hailey.

Location: southbound entry slip at junction J9 (Dunstable A5) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 9 May 2026 to 05:00 on 10 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.4 miles from Green Hailey.

Location: southbound exit slip to the M1 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 9 May 2026 to 05:00 on 10 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.38 miles from Green Hailey.

Location: northbound between junctions J5 (Harrow A41) and J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:30 on 3 May 2026 to 05:30 on 4 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.72 miles from Green Hailey.

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: 17.36 miles from Green Hailey.

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: 12.58 miles from Green Hailey.

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: 11.8 miles from Green Hailey.

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: 11.88 miles from Green Hailey.

Location: southbound at junction J9 (Bicester) .
Lane Closures : Lane two is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 30 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.64 miles from Green Hailey.

Location: southbound entry slip at junction J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 29 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : From 22:15 on 18 May 2026 to 06:00 on 19 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.33 miles from Green Hailey.

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 30 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 20 miles from Green Hailey.

Location: southbound between junctions J9 (Bicester) and J8 (Oxford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 28 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : From 22:15 on 18 May 2026 to 06:00 on 19 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.37 miles from Green Hailey.

Location: southbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 29 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : From 22:15 on 18 May 2026 to 06:00 on 19 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.29 miles from Green Hailey.

Location: southbound entry slip at junction J8A (Thame) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 29 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : From 22:15 on 18 May 2026 to 06:00 on 19 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.06 miles from Green Hailey.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 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 29 April 2026 to 2 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.42 miles from Green Hailey.

Location: southbound entry slip at junction J3 (Loudwater) .
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 29 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.44 miles from Green Hailey.

Location: southbound entry slip at junction J4 (High Wycombe) .
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 29 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.63 miles from Green Hailey.

Location: southbound between junctions J5 (High Wycombe) and J2 (Beaconsfield) .
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 29 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.68 miles from Green Hailey.

Location: southbound exit slip at junction J2 (Beaconsfield) .
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 29 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.5 miles from Green Hailey.

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: 14.04 miles from Green Hailey.

Location: northbound between the A4146 Bletchley South and the junction with the A421 .
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 April 2026 to 2 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.65 miles from Green Hailey.

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: 6.5 miles from Green Hailey.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 29 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.86 miles from Green Hailey.

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 21:00 and 05:00 from 29 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.09 miles from Green Hailey.

Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 29 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.05 miles from Green Hailey.

Location: northbound exit slip at junction J9 (Dunstable A5) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 29 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.29 miles from Green Hailey.

Location: The A308M eastbound between the junctions with the M4 and the A308 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 29 April 2026 to 2 May 2026.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 4 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 11 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 18 May 2026 to 22 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.67 miles from Green Hailey.
