Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 17.33 miles from Bolter End.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Due to: Congestion.
Normal traffic conditions are expected between 01:00 and 01:15 on 13 June 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 14.1 miles from Bolter End.

Location: westbound exit slip at junction J4 .
Due to: Congestion.
Normal traffic conditions are expected between 00:00 and 00:15 on 13 June 2025.
Nearest town: 19.57 miles from Bolter End.

Location: anticlockwise between junctions J21 (M1) and J20 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 23:15 and 23:30 on 12 June 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.76 miles from Bolter End.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 18.29 miles from Bolter End.

Location: southbound.
Due to: Roadworks.
Period : from 21:01 on 12 June 2025 to 06:00 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 19.5 miles from Bolter End.

Location: southbound between the junctions with the A4130 and the A4 .
Due to: Roadworks.
Period : from 20:59 on 12 June 2025 to 06:00 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 7.37 miles from Bolter End.

Location: southbound between the A4130 and the junction with the A4 .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 7.06 miles from Bolter End.

Location: The A404M southbound at junction J9B .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 8 miles from Bolter End.

Location: southbound between the A308 and the junction with the A4130 .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 6.59 miles from Bolter End.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 June 2025 to 06:00 on 14 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 3.57 miles from Bolter End.

Location: northbound at junction J4 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 13 June 2025 to 06:00 on 14 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.04 miles from Bolter End.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Planned Roadworks.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 11.97 miles from Bolter End.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : The hard shoulder is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 23:59 on 20 June 2025.
Nearest town: 6.78 miles from Bolter End.

Location: westbound exit slip to the A412 .
Lane Closures : Lane two will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 23:00 on 13 June 2025 to 05:00 on 14 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.49 miles from Bolter End.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 13 June 2025 to 06:00 on 14 June 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.78 miles from Bolter End.

Location: northbound at junction J6 (Thame) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Planned Roadworks.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.4 miles from Bolter End.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 09:30 on 13 June 2025 to 15:30 on 13 June 2025.
Nearest town: 9.72 miles from Bolter End.

Location: anticlockwise entry slip at junction J14 (Heathrow Airport) from A3113.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.51 miles from Bolter End.

Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : There is one of five lanes closed.
Nearest town: 18.46 miles from Bolter End.

Location: anticlockwise at junction J14 (Heathrow Airport) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 18.41 miles from Bolter End.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 18.29 miles from Bolter End.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1, 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 15.16 miles from Bolter End.

Location: westbound between junctions J6 (Slough) and J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Planned Roadworks.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.28 miles from Bolter End.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 14.66 miles from Bolter End.

Location: westbound at junction J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 15.18 miles from Bolter End.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 8.73 miles from Bolter End.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 7.51 miles from Bolter End.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.54 miles from Bolter End.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 15.92 miles from Bolter End.

Location: northbound between junctions J4A and J4 .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.82 miles from Bolter End.

Location: anticlockwise entry slip at junction J19 (Watford) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.9 miles from Bolter End.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Due to: Road repairs.
Period : expect disruption until 05:00 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.67 miles from Bolter End.

Location: anticlockwise exit slip at junction J18 (Rickmansworth) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 15.93 miles from Bolter End.

Location: anticlockwise entry slip at junction J20 (Hemel Hstead) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.68 miles from Bolter End.

Location: anticlockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 18.82 miles from Bolter End.

Location: southbound.
Due to: Roadworks scheme.
Period : from 20:51 on 9 June 2025 to 06:00 on 18 July 2025.
Nearest town: 19.49 miles from Bolter End.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.98 miles from Bolter End.

Location: westbound at junction J3 (Woking) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.93 miles from Bolter End.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 13 June 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 16.78 miles from Bolter End.

Location: westbound between junctions J10 (Reading) and J12 (Reading) .
Due to: Roadworks scheme.
Period : from 20:01 on 11 June 2025 to 06:00 on 24 June 2025.
Nearest town: 13.23 miles from Bolter End.

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 13 June 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 10.22 miles from Bolter End.

Location: westbound between junctions J3 (Woking) and J4 (Guildford) .
Due to: Roadworks scheme.
Period : from 21:04 on 4 November 2024 to 06:00 on 5 July 2025.
Nearest town: 19.93 miles from Bolter End.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 19 June 2025 to 06:00 on 20 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 2.11 miles from Bolter End.

Location: southbound entry slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 19 June 2025 to 06:00 on 20 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 7.25 miles from Bolter End.

Location: eastbound between junctions J4 and J3 (Heathrow) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 19 June 2025 to 21 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.44 miles from Bolter End.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 19 June 2025 to 06:00 on 20 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 2.28 miles from Bolter End.

Location: anticlockwise exit slip at junction J18 (Rickmansworth) .
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 19 June 2025 to 05:00 on 20 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.93 miles from Bolter End.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J17 (Maple Cross) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 19 June 2025 to 05:00 on 20 June 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.17 miles from Bolter End.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 June 2025 to 06:00 on 20 June 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.97 miles from Bolter End.

Location: eastbound entry slip at junction J11 (Basingstoke) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 June 2025 to 06:00 on 20 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.17 miles from Bolter End.

Location: northbound exit slip at junction J8 (Oxford) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 June 2025 to 06:00 on 20 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.01 miles from Bolter End.

Location: northbound between junctions J5 (High Wycombe) and J6 (Thame) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2025 to 06:00 on 19 June 2025.
Nearest town: 4.23 miles from Bolter End.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 16 June 2025 to 23:59 on 20 June 2025.
Nearest town: 10.81 miles from Bolter End.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 19:00 on 16 June 2025 to 23:59 on 20 June 2025.
Nearest town: 10.66 miles from Bolter End.

Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 June 2025 to 05:30 on 19 June 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.75 miles from Bolter End.

Location: eastbound entry slip at Reading Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2025 to 06:00 on 19 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.49 miles from Bolter End.

Location: eastbound exit slip at Reading Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2025 to 06:00 on 19 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.52 miles from Bolter End.

Location: eastbound between junctions J12 (Reading) and J11 (Basingstoke) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2025 to 06:00 on 19 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.42 miles from Bolter End.

Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2025 to 06:00 on 19 June 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.37 miles from Bolter End.

Location: westbound at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2025 to 06:00 on 19 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.85 miles from Bolter End.

Location: northbound exit slip at junction J8 (Oxford) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2025 to 06:00 on 19 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.01 miles from Bolter End.

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 20:00 on 18 June 2025 to 06:00 on 19 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.51 miles from Bolter End.

Location: eastbound between junctions J8 (High Wycombe) and J6 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2025 to 06:00 on 19 June 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.89 miles from Bolter End.

Location: northbound exit slip at junction J8 (Oxford) .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 June 2025 to 06:00 on 18 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.01 miles from Bolter End.

Location: southbound entry slip at junction J8 (Oxford) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 June 2025 to 06:00 on 17 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.46 miles from Bolter End.

Location: southbound entry slip at junction J8 (Oxford) .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 June 2025 to 06:00 on 18 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.46 miles from Bolter End.

Location: northbound between junctions J4 (High Wycombe) and J6 (Thame) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 16 June 2025 to 06:00 on 17 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 2.31 miles from Bolter End.

Location: eastbound entry slip at junction J4B (Heathrow) from the M25 anti-clockwise.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 10:00 and 16:00 from 18 June 2025 to 19 June 2025.
Nearest town: 17.9 miles from Bolter End.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2025 to 05:30 on 18 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.66 miles from Bolter End.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2025 to 05:30 on 18 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.66 miles from Bolter End.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2025 to 05:30 on 18 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.64 miles from Bolter End.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2025 to 05:30 on 18 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.19 miles from Bolter End.

Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2025 to 05:30 on 18 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.96 miles from Bolter End.

Location: southbound between junctions J4 and J4A .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2025 to 05:00 on 17 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.58 miles from Bolter End.

Location: westbound exit slip at junction J4 for Heathrow.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2025 to 05:00 on 17 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.59 miles from Bolter End.

Location: westbound exit slip at junction J4 .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2025 to 05:00 on 17 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.83 miles from Bolter End.

Location: westbound exit slip to the A412 .
Lane Closures : Lane two will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2025 to 05:00 on 17 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.49 miles from Bolter End.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2025 to 20 June 2025.
Schedule : From 23:00 on 20 June 2025 to 05:30 on 21 June 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.22 miles from Bolter End.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2025 to 05:30 on 17 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.87 miles from Bolter End.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2025 to 05:30 on 17 June 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.7 miles from Bolter End.

Location: anticlockwise at junction J18 (Rickmansworth) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2025 to 05:30 on 17 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.93 miles from Bolter End.

Location: northbound exit slip at junction J1A (Watford) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2025 to 06:00 on 17 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.21 miles from Bolter End.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2025 to 06:00 on 17 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.39 miles from Bolter End.

Location: northbound between the junctions with the A415 and the A4183 south of Kennington.
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 16 June 2025 to 06:00 on 17 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.27 miles from Bolter End.

Location: southbound between the A4155 and the junction with the A4130 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 June 2025 to 21 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 5.87 miles from Bolter End.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 16 June 2025 to 20 June 2025.
Nearest town: 14.48 miles from Bolter End.

Location: eastbound entry slip at junction J13 (Newbury) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 15.32 miles from Bolter End.

Location: eastbound between junctions J12 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 June 2025 to 06:00 on 18 June 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.37 miles from Bolter End.

Location: eastbound between junctions J11 (Basingstoke) and J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 23 June 2025 to 06:00 on 24 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.08 miles from Bolter End.

Location: eastbound at junction J11 (Basingstoke) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 23 June 2025 to 06:00 on 24 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.19 miles from Bolter End.

Location: eastbound between junctions J12 (Reading) and J11 (Basingstoke) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 23 June 2025 to 06:00 on 24 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.37 miles from Bolter End.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 17 June 2025 to 06:00 on 18 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.11 miles from Bolter End.

Location: westbound at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 June 2025 to 06:00 on 17 June 2025.
Schedule : From 20:00 on 23 June 2025 to 06:00 on 24 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.14 miles from Bolter End.

Location: westbound entry slip at junction J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 June 2025 to 06:00 on 17 June 2025.
Schedule : From 20:00 on 23 June 2025 to 06:00 on 24 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.23 miles from Bolter End.

Location: westbound entry slip at junction J10 (Reading) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 June 2025 to 06:00 on 17 June 2025.
Schedule : From 21:00 on 23 June 2025 to 06:00 on 24 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.14 miles from Bolter End.

Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 16 June 2025 to 06:00 on 17 June 2025.
Schedule : From 20:00 on 23 June 2025 to 06:00 on 24 June 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.48 miles from Bolter End.

Location: southbound between the A4185 and the junction with the M4 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.3 miles from Bolter End.

Location: southbound.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 19.49 miles from Bolter End.

Location: southbound between the A4185 and the junction with the M4 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 13 June 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.39 miles from Bolter End.

Location: eastbound between junctions J13 (Newbury) and J10 (Reading) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 17 June 2025 to 06:00 on 24 June 2025.
Nearest town: 15.11 miles from Bolter End.

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 28 September 2025 to 30 September 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.94 miles from Bolter End.

Location: southbound between the A415 and the junction with the M4 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 28 September 2025 to 06:00 on 30 September 2025.
Nearest town: 19.1 miles from Bolter End.

Location: southbound between the A415 and the junction with the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 September 2025 to 30 September 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.1 miles from Bolter End.

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 28 September 2025 to 30 September 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.87 miles from Bolter End.

Location: westbound exit slip at junction J6 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 20 October 2025 to 23 October 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.41 miles from Bolter End.
