Location: westbound at junction J5 (Hook) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road Management.
Time To Clear : The event is expected to clear between 06:45 and 07:00 on 14 March 2026.
Normal traffic conditions are expected between 06:30 and 06:45 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.75 miles from Medmenham.

Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 16.37 miles from Medmenham.

The Parkway (Northbound) at the junction of North Hyde Road - Road is now fully open.
Traffic is moving well.
Nearest town: 19.23 miles from Medmenham.

Location: eastbound exit slip at junction J4 .
Due to: Congestion.
Normal traffic conditions are expected between 02:45 and 03:00 on 14 March 2026.
Nearest town: 17.31 miles from Medmenham.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 23:30 and 23:45 on 13 March 2026.
Nearest town: 5.49 miles from Medmenham.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 23:00 and 23:15 on 13 March 2026.
Nearest town: 5.49 miles from Medmenham.

Location: westbound exit slip at junction J6 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 22:45 and 23:00 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 10.7 miles from Medmenham.

Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 22:15 and 22:30 on 13 March 2026.
Nearest town: 5.58 miles from Medmenham.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Due to: Congestion.
Normal traffic conditions are expected between 21:30 and 21:45 on 13 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 6.68 miles from Medmenham.

Location: northbound at the junction with the M40 .
Due to: Congestion.
Normal traffic conditions are expected between 21:30 and 21:45 on 13 March 2026.
Nearest town: 5.49 miles from Medmenham.

Location: eastbound at junction J7 (Slough) .
Due to: Congestion.
Normal traffic conditions are expected between 21:30 and 21:45 on 13 March 2026.
Nearest town: 8.76 miles from Medmenham.

Location: westbound exit slip at junction J4 .
Due to: Roadworks.
Period : from 23:06 on 13 March 2026 to 05:30 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.57 miles from Medmenham.

Location: northbound entry slip at junction J4 (High Wycombe) .
Due to: Roadworks.
Period : from 21:33 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 5.48 miles from Medmenham.

Location: northbound between the junctions with the M4 and the A4185 .
Due to: Roadworks.
Period : from 20:02 on 13 March 2026 to 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.43 miles from Medmenham.

Location: eastbound exit slip at junction J4 .
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.23 miles from Medmenham.

Location: eastbound between the junctions with the A308 and the A315 .
Lane Closures : Lane two is closed.
Due to: Emergency Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.78 miles from Medmenham.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 11.94 miles from Medmenham.

Location: clockwise between junctions J14 (Heathrow Airport) and J14 (Heathrow Airport) .
Due to: Roadworks scheme.
Period : from 03:03 on 11 March 2026 to 05:30 on 19 March 2026.
Nearest town: 15.72 miles from Medmenham.

Location: eastbound at junction J4 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.23 miles from Medmenham.

Location: southbound between junctions J8A (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.36 miles from Medmenham.

Location: southbound.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.49 miles from Medmenham.

Location: anticlockwise between junctions J18 (Rickmansworth) and J16 (M40) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 14 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 16.38 miles from Medmenham.

Location: westbound between junctions J1 (Sunbury) and J2 (Gatwick M23) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.42 miles from Medmenham.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 6.84 miles from Medmenham.

Location: westbound entry slip at junction J10 (Reading) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 8.22 miles from Medmenham.

Location: westbound entry slip at junction J10 (Reading) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 8.3 miles from Medmenham.

Location: westbound exit slip at junction J11 (Basingstoke) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.78 miles from Medmenham.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.91 miles from Medmenham.

Location: northbound exit slip to the A4130 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.87 miles from Medmenham.

Location: northbound between the A4185 and the junction with the A415 .
Due to: Roadworks scheme.
Period : from 21:06 on 13 March 2026 to 06:00 on 14 March 2026.
Nearest town: 19.36 miles from Medmenham.

Location: northbound between the A4185 and the junction with the A415 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.36 miles from Medmenham.

Location: northbound between the M4 and the junction with the A4185 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.39 miles from Medmenham.

Location: southbound.
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 5.53 miles from Medmenham.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.31 miles from Medmenham.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.53 miles from Medmenham.

Location: westbound between junctions J5 (Colnbrook) and J7 (Slough) .
Due to: Roadworks scheme.
Period : from 20:07 on 13 March 2026 to 06:00 on 28 March 2026.
Nearest town: 11.61 miles from Medmenham.

Location: eastbound entry slip at junction J6 (Slough) .
Due to: Roadworks scheme.
Period : from 21:02 on 11 March 2026 to 06:00 on 22 March 2026.
Nearest town: 10.59 miles from Medmenham.

Location: westbound between junctions J8 (High Wycombe) and J11 (Basingstoke) .
Due to: Roadworks scheme.
Period : from 20:04 on 6 March 2026 to 06:00 on 15 March 2026.
Nearest town: 6.84 miles from Medmenham.

Location: northbound at junction J1 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.57 miles from Medmenham.

Location: westbound between the A437 and the junction with the A412 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.1 miles from Medmenham.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.03 miles from Medmenham.

Location: The A404M southbound exit slip at junction J9A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.79 miles from Medmenham.

Location: The A404M southbound exit slip at junction J9A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.79 miles from Medmenham.

Location: The A404M southbound entry slip at junction J9A .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.75 miles from Medmenham.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.31 miles from Medmenham.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.94 miles from Medmenham.

Location: westbound entry slip at junction J3 (Woking) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.33 miles from Medmenham.

Location: westbound at junction J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.29 miles from Medmenham.

Location: westbound between junctions J2 (Gatwick M23) and J3 (Woking) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.48 miles from Medmenham.

Location: westbound exit slip at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.91 miles from Medmenham.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 7.44 miles from Medmenham.

Location: eastbound exit slip at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.52 miles from Medmenham.

Location: eastbound between junctions J11 (Basingstoke) and J10 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 8.77 miles from Medmenham.

Location: southbound.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.31 miles from Medmenham.

Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.53 miles from Medmenham.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.79 miles from Medmenham.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.03 miles from Medmenham.

Location: clockwise at junction J17 (Maple Cross) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.55 miles from Medmenham.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 7.44 miles from Medmenham.

Location: westbound at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.91 miles from Medmenham.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.97 miles from Medmenham.

Location: westbound at junction J12 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 06:00 on 28 March 2026.
Nearest town: 11.96 miles from Medmenham.

Location: westbound entry slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 25 March 2026.
Schedule : From 21:00 on 27 March 2026 to 06:00 on 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.07 miles from Medmenham.

Location: westbound at junction J12 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 March 2026 to 06:00 on 26 March 2026.
Schedule : From 21:00 on 26 March 2026 to 06:00 on 27 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.96 miles from Medmenham.

Location: eastbound entry slip at junction J12 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 28 March 2026.
Nearest town: 11.99 miles from Medmenham.

Location: eastbound entry slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 25 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.99 miles from Medmenham.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 19 March 2026 to 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.97 miles from Medmenham.

Location: eastbound exit slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 19 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.04 miles from Medmenham.

Location: southbound between the M40 and the junction with the A4155 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.54 miles from Medmenham.

Location: northbound between the A4155 and the junction with the M40 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.02 miles from Medmenham.

Location: eastbound at junction J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.33 miles from Medmenham.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Nearest town: 6.08 miles from Medmenham.

Location: eastbound exit slip at junction J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.33 miles from Medmenham.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 6.08 miles from Medmenham.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
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 19 March 2026 to 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.68 miles from Medmenham.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.82 miles from Medmenham.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 8.85 miles from Medmenham.

Location: northbound exit slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.82 miles from Medmenham.

Location: southbound between the junctions with the A4185 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.25 miles from Medmenham.

Location: westbound between junctions J4A (Farnborough) and J5 (Hook) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 19 March 2026 to 16:00 on 19 March 2026.
Nearest town: 17.91 miles from Medmenham.

Location: eastbound between junctions J5 (Hook) and J4A (Farnborough) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 19 March 2026 to 16:00 on 19 March 2026.
Nearest town: 17.99 miles from Medmenham.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.26 miles from Medmenham.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 18 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 2 April 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 7 April 2026 to 9 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 8.22 miles from Medmenham.

Location: clockwise exit slip at junction J13 (A30) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 18 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.65 miles from Medmenham.

Location: clockwise entry slip at junction J13 (A30) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 18 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.56 miles from Medmenham.

Location: clockwise at junction J13 (A30) .
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 18 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.65 miles from Medmenham.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 18 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 2 April 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 7 April 2026 to 9 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.09 miles from Medmenham.

Location: eastbound between junctions J3 (Woking) and J2 (Gatwick M23) .
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 18 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 21 March 2026 to 06:00 on 22 March 2026.
Schedule : From 22:30 on 22 March 2026 to 05:30 on 23 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.51 miles from Medmenham.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:30 on 19 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.53 miles from Medmenham.

Location: anticlockwise entry slip at junction J12 (Basingstoke) .
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 18 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 21 March 2026 to 06:00 on 22 March 2026.
Schedule : From 22:30 on 22 March 2026 to 05:30 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.8 miles from Medmenham.

Location: clockwise entry slip at junction J12 (Basingstoke) .
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 18 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 21 March 2026 to 06:00 on 22 March 2026.
Schedule : From 22:30 on 22 March 2026 to 05:30 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.68 miles from Medmenham.

Location: eastbound at junction J2 (Gatwick M23) .
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 18 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 21 March 2026 to 06:00 on 22 March 2026.
Schedule : From 22:30 on 22 March 2026 to 05:30 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.68 miles from Medmenham.

Location: clockwise between junctions J12 (Basingstoke) and J13 (A30) .
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 18 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 15.67 miles from Medmenham.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.23 miles from Medmenham.

Location: northbound between the M4 and the junction with the A4185 .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.43 miles from Medmenham.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Nearest town: 14.41 miles from Medmenham.

Location: eastbound entry slip at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.06 miles from Medmenham.

Location: northbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.22 miles from Medmenham.

Location: northbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.43 miles from Medmenham.

Location: northbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.16 miles from Medmenham.

Location: southbound entry slip from the A4155 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.57 miles from Medmenham.

Location: southbound between the A4155 and the junction with the A308 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Nearest town: 4.56 miles from Medmenham.

Location: southbound between the A4155 and the junction with the A308 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.56 miles from Medmenham.

Location: The A404M northbound exit slip at junction J9A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.65 miles from Medmenham.

Location: The A404M northbound exit slip at junction J9A .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.65 miles from Medmenham.

Location: The A404M northbound entry slip at junction J9A .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.7 miles from Medmenham.

Location: eastbound entry slip at junction J12 (Reading) .
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.99 miles from Medmenham.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.99 miles from Medmenham.

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 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.7 miles from Medmenham.

Location: westbound between junctions J6 (Slough) and J7 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 10.03 miles from Medmenham.

Location: westbound at junction J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.81 miles from Medmenham.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 11.61 miles from Medmenham.

Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 11.61 miles from Medmenham.

Location: westbound entry slip at junction J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.51 miles from Medmenham.

Location: eastbound between junctions J8 (High Wycombe) and J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 21 March 2026 to 06:00 on 22 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 7.33 miles from Medmenham.

Location: eastbound at junction J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.14 miles from Medmenham.

Location: eastbound between junctions J7 (Slough) and J6 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 9.22 miles from Medmenham.

Location: eastbound entry slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.59 miles from Medmenham.

Location: eastbound entry slip at junction J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 21 March 2026 to 06:00 on 22 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.74 miles from Medmenham.

Location: westbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.81 miles from Medmenham.

Location: eastbound exit slip at junction J6 (Slough) .
Due to: Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.14 miles from Medmenham.

Location: southbound between the junctions with the A4130 and the A4185 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 31 March 2026 to 2 April 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 April 2026 to 11 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.93 miles from Medmenham.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 18 March 2026 to 23:59 on 19 March 2026.
Nearest town: 5.03 miles from Medmenham.

Location: clockwise entry slip at junction J14 (Heathrow Airport) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.72 miles from Medmenham.

Location: clockwise exit slip at junction J15 (Slough) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.79 miles from Medmenham.

Location: westbound entry slip at junction J4B (Heathrow) from M25 clockwise.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.74 miles from Medmenham.

Location: eastbound entry slip at junction J4B (Heathrow) from the M25 clockwise.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.74 miles from Medmenham.

Location: southbound entry slip from the M40 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 00:00 on 18 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.61 miles from Medmenham.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.94 miles from Medmenham.

Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 8.54 miles from Medmenham.

Location: eastbound entry slip at junction J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:30 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.21 miles from Medmenham.

Location: clockwise between junctions J16 (M40) and J18 (Rickmansworth) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.13 miles from Medmenham.

Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.76 miles from Medmenham.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 00:00 on 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.55 miles from Medmenham.

Location: westbound entry slip at junction J5 (Hook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.9 miles from Medmenham.

Location: northbound between the junctions with the A4185 and the A4130 .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.75 miles from Medmenham.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 19 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.91 miles from Medmenham.

Location: northbound between the junctions with the M4 and the A4185 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 27 March 2026 to 06:00 on 28 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.29 miles from Medmenham.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.14 miles from Medmenham.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 11.85 miles from Medmenham.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 07:00 on 17 March 2026 to 23:59 on 18 March 2026.
Nearest town: 4.94 miles from Medmenham.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.94 miles from Medmenham.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.49 miles from Medmenham.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.08 miles from Medmenham.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 14.14 miles from Medmenham.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 7.34 miles from Medmenham.

Location: westbound at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.91 miles from Medmenham.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 12.07 miles from Medmenham.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.96 miles from Medmenham.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.64 miles from Medmenham.

Location: westbound entry slip at junction J12 (Reading) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.07 miles from Medmenham.

Location: westbound exit slip at junction J12 (Reading) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.96 miles from Medmenham.

Location: southbound entry slip from the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.97 miles from Medmenham.

Location: southbound exit slip to the A4185 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.15 miles from Medmenham.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.86 miles from Medmenham.

Location: northbound at junction J1 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.48 miles from Medmenham.

Location: westbound between the junctions with the A437 and the M40 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.1 miles from Medmenham.

Location: southbound between junctions J1A (Watford) and J1 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.39 miles from Medmenham.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 16 March 2026 to 15:30 on 16 March 2026.
Nearest town: 6.45 miles from Medmenham.

Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.48 miles from Medmenham.

Location: southbound entry slip at junction J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.61 miles from Medmenham.

Location: southbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 15 March 2026 to 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.11 miles from Medmenham.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 15 March 2026 to 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.37 miles from Medmenham.

Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : Lanes 2, 3, 4 and 5 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be four of five lanes closed.
Nearest town: 15.62 miles from Medmenham.

Location: anticlockwise at junction J14 (Heathrow Airport) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.75 miles from Medmenham.

Location: eastbound exit slip at junction J4 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.23 miles from Medmenham.

Location: eastbound entry slip at junction J4B (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.15 miles from Medmenham.

Location: eastbound exit slip at junction J4 .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.39 miles from Medmenham.

Location: eastbound between junctions J4B (Heathrow) and J4 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 16.41 miles from Medmenham.

Location: westbound exit slip at junction J4 for Heathrow.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.53 miles from Medmenham.

Location: westbound exit slip at junction J4 .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.79 miles from Medmenham.

Location: westbound exit slip at junction J4 .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.61 miles from Medmenham.

Location: westbound exit slip to the A412 .
Lane Closures : Lane two is closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.57 miles from Medmenham.

Location: northbound exit slip at junction J5 (High Wycombe) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.87 miles from Medmenham.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.93 miles from Medmenham.

Location: southbound entry slip at junction J5 (High Wycombe) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 8.1 miles from Medmenham.

Location: southbound at junction J5 (High Wycombe) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 8.11 miles from Medmenham.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 16 March 2026 to 20 March 2026.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 23 March 2026 to 27 March 2026.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 30 March 2026 to 31 March 2026.
Nearest town: 11.79 miles from Medmenham.
