Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 16.63 miles from Flowers Bottom.

Location: southbound at junction J5 (Harrow A41) .
Due to: Congestion.
Normal traffic conditions are expected between 00:45 and 01:00 on 25 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.51 miles from Flowers Bottom.

Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 00:00 and 00:15 on 25 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.92 miles from Flowers Bottom.

Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 23:30 and 23:45 on 24 April 2026.
Nearest town: 18.92 miles from Flowers Bottom.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Due to: Congestion.
Normal traffic conditions are expected between 23:00 and 23:15 on 24 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 11.99 miles from Flowers Bottom.

Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 22:45 and 23:00 on 24 April 2026.
Nearest town: 16.98 miles from Flowers Bottom.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 00:45 and 01:00 on 25 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.99 miles from Flowers Bottom.

Location: westbound between the junctions with the A405 and the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 22:30 and 22:45 on 24 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.39 miles from Flowers Bottom.

Location: clockwise exit slip at junction J21 (M1) .
Due to: Congestion.
Normal traffic conditions are expected between 21:45 and 22:00 on 24 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.79 miles from Flowers Bottom.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 23:45 and 00:00 on 25 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.81 miles from Flowers Bottom.

Location: southbound exit slip at junction J1A (Watford) .
Due to: Roadworks.
Period : from 23:29 on 24 April 2026 to 05:30 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.88 miles from Flowers Bottom.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadworks.
Period : from 23:03 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.94 miles from Flowers Bottom.

Location: southbound between junctions J6 (Watford A405) and J5 (Harrow A41) .
Due to: Roadworks.
Period : from 22:56 on 24 April 2026 to 05:30 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.24 miles from Flowers Bottom.

Location: eastbound exit slip at junction J5 (Colnbrook) .
Due to: Roadworks.
Period : from 21:19 on 24 April 2026 to 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.22 miles from Flowers Bottom.

Location: eastbound exit slip at junction J10 (Reading) .
Due to: Roadworks.
Period : from 21:05 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.76 miles from Flowers Bottom.

Location: The A329M eastbound.
Due to: Roadworks.
Period : from 21:07 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.6 miles from Flowers Bottom.

Location: The A329M westbound.
Due to: Roadworks.
Period : from 21:07 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.6 miles from Flowers Bottom.

Location: northbound at junction J2 (Beaconsfield) .
Due to: Roadworks.
Period : from 20:45 on 24 April 2026 to 05:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.88 miles from Flowers Bottom.

Location: southbound between junctions J9 (Bicester) and J7 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 25 April 2026 to 06:00 on 26 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.11 miles from Flowers Bottom.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lane three will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 25 April 2026 to 06:00 on 26 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.8 miles from Flowers Bottom.

Location: southbound entry slip at junction J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.37 miles from Flowers Bottom.

Location: southbound between junctions J9 (Dunstable A5) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.72 miles from Flowers Bottom.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Emergency Roadworks.
Period : expect disruption until 05:00 on 25 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 13.16 miles from Flowers Bottom.

Location: anticlockwise exit slip at junction J17 (Maple Cross) .
Due to: Emergency Roadworks.
Period : expect disruption until 05:30 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.02 miles from Flowers Bottom.

Location: northbound at junction J2 (Beaconsfield) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.93 miles from Flowers Bottom.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 10.62 miles from Flowers Bottom.

Location: eastbound at junction J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 17.19 miles from Flowers Bottom.

Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 15.09 miles from Flowers Bottom.

Location: eastbound exit slip at junction J5 (Colnbrook) .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.19 miles from Flowers Bottom.

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 24 April 2026.
Nearest town: 14.1 miles from Flowers Bottom.

Location: southbound exit slip at junction J5 (Harrow A41) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.39 miles from Flowers Bottom.

Location: southbound between junctions J6 (Watford A405) and J5 (Harrow A41) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.08 miles from Flowers Bottom.

Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.96 miles from Flowers Bottom.

Location: southbound between junctions J10 (Luton Airport) and J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.99 miles from Flowers Bottom.

Location: southbound exit slip at junction J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 25 April 2026 to 05:00 on 26 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.03 miles from Flowers Bottom.

Location: clockwise at junction J20 (Hemel Hstead) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.2 miles from Flowers Bottom.

Location: clockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 15.19 miles from Flowers Bottom.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 25 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 18.63 miles from Flowers Bottom.

Location: northbound at junction J1 (Slough) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.89 miles from Flowers Bottom.

Location: westbound between the A437 and the junction with the A412 .
Due to: Road repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.37 miles from Flowers Bottom.

Location: southbound between the A4146 South and the junction with the A5183 .
Due to: Planned Roadworks.
Period : expect disruption until 06:00 on 25 April 2026.
Nearest town: 19.41 miles from Flowers Bottom.

Location: northbound between the A5183 and the junction with the A4146 Bletchley South.
Due to: Planned Roadworks.
Period : expect disruption until 06:00 on 25 April 2026.
Nearest town: 19.35 miles from Flowers Bottom.

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: 18.23 miles from Flowers Bottom.

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 25 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 18.23 miles from Flowers Bottom.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Due to: Roadworks scheme.
Period : from 22:00 on 15 April 2026 to 05:00 on 30 May 2026.
Nearest town: 18.98 miles from Flowers Bottom.

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: 12.79 miles from Flowers Bottom.

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: 12.56 miles from Flowers Bottom.

Location: anticlockwise.
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.54 miles from Flowers Bottom.

Location: clockwise entry slip at junction J14 (Heathrow Airport) from Heathrow T5.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Nearest town: 19.38 miles from Flowers Bottom.

Location: anticlockwise entry slip at junction J14 (Heathrow Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.38 miles from Flowers Bottom.

Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.33 miles from Flowers Bottom.

Location: anticlockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.45 miles from Flowers Bottom.

Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.88 miles from Flowers Bottom.

Location: southbound between junctions J6A (St Albans) and J5 (Harrow A41) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.96 miles from Flowers Bottom.

Location: anticlockwise at junction J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.45 miles from Flowers Bottom.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.06 miles from Flowers Bottom.

Location: northbound between junctions J5 (Harrow A41) and J6A (St Albans) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:30 on 1 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.21 miles from Flowers Bottom.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.33 miles from Flowers Bottom.

Location: westbound entry slip at junction J7 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.21 miles from Flowers Bottom.

Location: westbound exit slip at junction J7 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.39 miles from Flowers Bottom.

Location: westbound between junctions J6 (Slough) and J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14 miles from Flowers Bottom.

Location: southbound exit slip to the A4183 south of Kennington.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.86 miles from Flowers Bottom.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 30 April 2026 to 15:30 on 30 April 2026.
Nearest town: 17.87 miles from Flowers Bottom.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 30 April 2026 to 15:30 on 30 April 2026.
Nearest town: 17.6 miles from Flowers Bottom.

Location: northbound entry slip at junction J8 (Hemel Hstead) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 30 April 2026 to 15:30 on 30 April 2026.
Nearest town: 17.2 miles from Flowers Bottom.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 09:30 on 30 April 2026 to 15:30 on 30 April 2026.
Nearest town: 14.24 miles from Flowers Bottom.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 30 April 2026 to 15:30 on 30 April 2026.
Nearest town: 18.72 miles from Flowers Bottom.

Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 29 April 2026 to 05:30 on 30 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.33 miles from Flowers Bottom.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.92 miles from Flowers Bottom.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 28 April 2026 to 05:30 on 29 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.78 miles from Flowers Bottom.

Location: westbound entry slip at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.77 miles from Flowers Bottom.

Location: westbound at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.97 miles from Flowers Bottom.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.3 miles from Flowers Bottom.

Location: westbound between junctions J6 (Slough) and J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.38 miles from Flowers Bottom.

Location: westbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.97 miles from Flowers Bottom.

Location: The A404M northbound exit slip at junction J9B .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 28 April 2026 to 06:00 on 29 April 2026.
Nearest town: 11.63 miles from Flowers Bottom.

Location: The A404M northbound between junctions J9A and J9B .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.1 miles from Flowers Bottom.

Location: The A404M northbound exit slip at junction J9B .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.63 miles from Flowers Bottom.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 27 April 2026 to 29 April 2026.
Nearest town: 17.71 miles from Flowers Bottom.

Location: southbound exit slip at junction J8A (Thame) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.42 miles from Flowers Bottom.

Location: southbound entry slip at junction J8A (Thame) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.15 miles from Flowers Bottom.

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 27 April 2026 to 2 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.89 miles from Flowers Bottom.

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 27 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.09 miles from Flowers Bottom.

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 27 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.07 miles from Flowers Bottom.

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 27 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.12 miles from Flowers Bottom.

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 27 April 2026 to 2 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.35 miles from Flowers Bottom.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 27 April 2026 to 29 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.9 miles from Flowers Bottom.

Location: clockwise between junctions J20 (Hemel Hstead) and J21A (Watword) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 27 April 2026 to 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.33 miles from Flowers Bottom.

Location: westbound entry slip at junction J4B (Heathrow) from the M25 anti-clockwise.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 27 April 2026 to 05:30 on 10 May 2026.
Nearest town: 18.46 miles from Flowers Bottom.

Location: clockwise at junction J20 (Hemel Hstead) .
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 27 April 2026 to 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.19 miles from Flowers Bottom.

Location: clockwise between junctions J19 (Watford) and J20 (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 05:30 from 27 April 2026 to 29 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.93 miles from Flowers Bottom.

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 : Expect disruption everyday between 22:00 and 05:30 from 27 April 2026 to 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.96 miles from Flowers Bottom.

Location: clockwise entry slip at junction J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 27 April 2026 to 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.95 miles from Flowers Bottom.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J19 (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 27 April 2026 to 05:30 on 28 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.17 miles from Flowers Bottom.

Location: anticlockwise entry slip at junction J20 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 27 April 2026 to 05:30 on 28 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.36 miles from Flowers Bottom.

Location: anticlockwise 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 22:00 on 27 April 2026 to 05:30 on 28 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.46 miles from Flowers Bottom.

Location: anticlockwise between junctions J21 (M1) and J20 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 27 April 2026 to 05:30 on 28 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.88 miles from Flowers Bottom.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.19 miles from Flowers Bottom.

Location: eastbound exit slip at junction J7 (Slough) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 27 April 2026 to 06:00 on 28 April 2026.
Nearest town: 13.35 miles from Flowers Bottom.

Location: eastbound exit 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 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.35 miles from Flowers Bottom.

Location: westbound at junction J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.42 miles from Flowers Bottom.

Location: westbound between junctions J4B (Heathrow) and J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.85 miles from Flowers Bottom.

Location: westbound entry slip at junction J5 (Colnbrook) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.28 miles from Flowers Bottom.

Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.18 miles from Flowers Bottom.

Location: northbound entry slip from the A4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 27 April 2026 to 06:00 on 28 April 2026.
Schedule : From 21:00 on 6 May 2026 to 06:00 on 7 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.49 miles from Flowers Bottom.

Location: westbound between the junctions with the A405 and the M1 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 26 April 2026 to 06:00 on 27 April 2026.
Nearest town: 17.95 miles from Flowers Bottom.

Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 26 April 2026 to 06:00 on 27 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.95 miles from Flowers Bottom.

Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 26 April 2026 to 06:00 on 27 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.84 miles from Flowers Bottom.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
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 25 April 2026 to 27 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.14 miles from Flowers Bottom.

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 : Expect disruption everyday between 22:15 and 06:00 from 25 April 2026 to 27 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.02 miles from Flowers Bottom.

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 : Expect disruption everyday between 22:15 and 06:00 from 25 April 2026 to 27 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.7 miles from Flowers Bottom.

Location: southbound.
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 25 April 2026 to 27 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.12 miles from Flowers Bottom.

Location: southbound exit 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 25 April 2026 to 27 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.08 miles from Flowers Bottom.

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: 19.47 miles from Flowers Bottom.

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 4 May 2026 to 9 May 2026.
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.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.47 miles from Flowers Bottom.

Location: westbound between the junctions with the A405 and the M1 .
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: 19.8 miles from Flowers Bottom.

Location: westbound between the junctions with the A405 and the M1 .
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 4 May 2026 to 9 May 2026.
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.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.8 miles from Flowers Bottom.

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 25 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 4.62 miles from Flowers Bottom.

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 27 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: 18.63 miles from Flowers Bottom.

Location: eastbound at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 17.93 miles from Flowers Bottom.

Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.9 miles from Flowers Bottom.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.68 miles from Flowers Bottom.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 25 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 17.83 miles from Flowers Bottom.

Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.04 miles from Flowers Bottom.

Location: northbound exit slip at junction J9 (Dunstable A5) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.85 miles from Flowers Bottom.

Location: westbound between junctions J5 (Colnbrook) and J7 (Slough) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Nearest town: 15.51 miles from Flowers Bottom.

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 : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.38 miles from Flowers Bottom.

Location: westbound at junction J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.97 miles from Flowers Bottom.

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 : From 20:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.51 miles from Flowers Bottom.

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 : From 21:00 on 29 April 2026 to 06:00 on 30 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.77 miles from Flowers Bottom.

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 25 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.11 miles from Flowers Bottom.
