Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 12.79 miles from Marlow.

Western Avenue (Eastbound) near the junction with Alperton Lane - Collision - Lane one reopened.
Traffic is flowing well for the time of day.
Nearest town: 19.79 miles from Marlow.

Lampton Road (Both Directions) at the junction of Alexandra Road - Temporary Traffic Signals to facilitate junction improvements works Traffic is flowing well.
Nearest town: 18.37 miles from Marlow.

All lanes reopened.
Traffic is moving well.
Nearest town: 19.15 miles from Marlow.

The Parkway (Northbound) at the junction of North Hyde Road - Road is now fully open.
Traffic is moving well.
Nearest town: 16.02 miles from Marlow.

Heston Road (All Directions) at the junction of Wheatlands - Temporary signals in operation to facilitate resurfacing works.
Expect some delays while the restrictions are in place.
Nearest town: 17.84 miles from Marlow.

Kymberley Road (One Way System) between Headstone Road and College Road - Road closure to facilitate resurfacing works
Nearest town: 18.42 miles from Marlow.

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: 18.54 miles from Marlow.

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: 8.01 miles from Marlow.

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: 19.75 miles from Marlow.

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: 19.22 miles from Marlow.

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: 19.85 miles from Marlow.

Location: eastbound between the M25 and the junction with the A308 .
Due to: Congestion.
Normal traffic conditions are expected between 21:15 and 21:30 on 24 April 2026.
Nearest town: 14.52 miles from Marlow.

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: 9.63 miles from Marlow.

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: 19.02 miles from Marlow.

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: 10.85 miles from Marlow.

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: 10.31 miles from Marlow.

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: 10.15 miles from Marlow.

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: 10.16 miles from Marlow.

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: 6.44 miles from Marlow.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 14.57 miles from Marlow.

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: 19.84 miles from Marlow.

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: 15.08 miles from Marlow.

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: 19.87 miles from Marlow.

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: 12.79 miles from Marlow.

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: 12.31 miles from Marlow.

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: 6.47 miles from Marlow.

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: 7.02 miles from Marlow.

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: 10.74 miles from Marlow.

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: 8.26 miles from Marlow.

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: 10.74 miles from Marlow.

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: 19.82 miles from Marlow.

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: 18.5 miles from Marlow.

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: 19.14 miles from Marlow.

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: 19.28 miles from Marlow.

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: 16.37 miles from Marlow.

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: 16.36 miles from Marlow.

Location: clockwise exit slip at junction J13 (A30) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.37 miles from Marlow.

Location: clockwise at junction J13 (A30) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 13.37 miles from Marlow.

Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 25 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.51 miles from Marlow.

Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 25 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.03 miles from Marlow.

Location: clockwise between junctions J12 (Basingstoke) and J13 (A30) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 25 April 2026.
Lanes Closed : There is one of five lanes closed.
Nearest town: 13.61 miles from Marlow.

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: 11.98 miles from Marlow.

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: 12.51 miles from Marlow.

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: 11.02 miles from Marlow.

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: 11.02 miles from Marlow.

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: 11.91 miles from Marlow.

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: 11.18 miles from Marlow.

Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
Lane Closures : Lanes 1, 2 and 3 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 : All lanes will be closed.
Nearest town: 15.88 miles from Marlow.

Location: eastbound entry slip at junction J3 (Heathrow) .
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 : All lanes will be closed.
Nearest town: 16.17 miles from Marlow.

Location: eastbound between junctions J4 and J3 (Heathrow) .
Lane Closures : Lanes 2 and 3 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: 15.18 miles from Marlow.

Location: eastbound entry slip at Heston Services.
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 : All lanes will be closed.
Nearest town: 17.21 miles from Marlow.

Location: eastbound exit slip at Heston Services.
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 : All lanes will be closed.
Nearest town: 16.96 miles from Marlow.

Location: eastbound exit slip at junction J3 (Heathrow) .
Lane Closures : Lane two 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 one of three lanes closed.
Nearest town: 15.88 miles from Marlow.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lane one 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 one of four lanes closed.
Nearest town: 15.72 miles from Marlow.

Location: westbound between the A315 and the junction with the A308 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 09:30 on 1 May 2026 to 16:00 on 1 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.67 miles from Marlow.

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: 13.32 miles from Marlow.

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: 13.1 miles from Marlow.

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: 13.1 miles from Marlow.

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: 19.76 miles from Marlow.

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: 19.37 miles from Marlow.

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: 19.29 miles from Marlow.

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: 19.76 miles from Marlow.

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: 14.57 miles from Marlow.

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: 18.81 miles from Marlow.

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: 5.98 miles from Marlow.

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: 6.06 miles from Marlow.

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: 6.85 miles from Marlow.

Location: eastbound between junctions J4A (Farnborough) and J4 (Guildford) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 April 2026 to 05:00 on 1 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.23 miles from Marlow.

Location: eastbound between junctions J5 (Hook) and J4A (Farnborough) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 April 2026 to 05:00 on 1 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.38 miles from Marlow.

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: 19.51 miles from Marlow.

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: 19.98 miles from Marlow.

Location: anticlockwise between junctions J13 (A30) and J12 (Basingstoke) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks 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 five lanes closed.
Nearest town: 14.15 miles from Marlow.

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: 5.73 miles from Marlow.

Location: westbound exit slip at Heston Services.
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 : All lanes will be closed.
Nearest town: 17.15 miles from Marlow.

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: 10.69 miles from Marlow.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.15 miles from Marlow.

Location: westbound at junction J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.96 miles from Marlow.

Location: westbound between junctions J2 (Gatwick M23) and J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 27 April 2026 to 06:00 on 28 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.02 miles from Marlow.

Location: eastbound exit slip at junction J3 (Woking) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.12 miles from Marlow.

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: 7.79 miles from Marlow.

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: 8.06 miles from Marlow.

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: 9.53 miles from Marlow.

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: 7.32 miles from Marlow.

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: 8.06 miles from Marlow.

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: 3.44 miles from Marlow.

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: 3.89 miles from Marlow.

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: 3.44 miles from Marlow.

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: 18.76 miles from Marlow.

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: 18.46 miles from Marlow.

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: 3.46 miles from Marlow.

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: 4.15 miles from Marlow.

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: 3.21 miles from Marlow.

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: 3.1 miles from Marlow.

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: 6.05 miles from Marlow.

Location: westbound at junction J3 (Heathrow) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 27 April 2026 to 05:00 on 28 April 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.91 miles from Marlow.

Location: westbound between junctions J2 (N.Circular) and J3 (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 27 April 2026 to 05:00 on 28 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.53 miles from Marlow.

Location: westbound between junctions J3 (Heathrow) and J4 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 27 April 2026 to 05:00 on 28 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.65 miles from Marlow.

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: 15.59 miles from Marlow.

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: 16.67 miles from Marlow.

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: 12.69 miles from Marlow.

Location: westbound exit slip at Heston Services.
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 27 April 2026 to 05:00 on 28 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.15 miles from Marlow.

Location: westbound exit slip at junction J3 (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 27 April 2026 to 05:00 on 28 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.41 miles from Marlow.

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: 16.36 miles from Marlow.

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: 15.62 miles from Marlow.

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: 9.73 miles from Marlow.

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: 9.72 miles from Marlow.

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: 16.17 miles from Marlow.

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: 16.64 miles from Marlow.

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: 16.83 miles from Marlow.

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: 18.39 miles from Marlow.

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: 10.73 miles from Marlow.

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: 6.01 miles from Marlow.

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: 6.01 miles from Marlow.

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: 11.17 miles from Marlow.

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: 11.75 miles from Marlow.

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: 10.91 miles from Marlow.

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: 5.61 miles from Marlow.

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: 3.31 miles from Marlow.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 30 April 2026 to 06:00 on 1 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.36 miles from Marlow.

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: 9.13 miles from Marlow.

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: 9.01 miles from Marlow.

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: 9.62 miles from Marlow.

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: 3.1 miles from Marlow.

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: 3.18 miles from Marlow.

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: 7.71 miles from Marlow.

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: 10.5 miles from Marlow.

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: 9.74 miles from Marlow.

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: 19.89 miles from Marlow.

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: 19.78 miles from Marlow.

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: 19.8 miles from Marlow.

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: 8.8 miles from Marlow.

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: 7.32 miles from Marlow.

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: 8.06 miles from Marlow.

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: 8.8 miles from Marlow.

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: 7.79 miles from Marlow.

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: 4.96 miles from Marlow.
