Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 11:45 and 12:00 on 18 April 2025.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 2.59m from High Wycombe.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 24 April 2025 to 06:00 on 25 April 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 1.76m from Beaconsfield.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:00 on 24 April 2025 to 06:00 on 25 April 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 2.37m from Chalfont Saint Peter.

Location: clockwise at junction J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2025 to 05:00 on 25 April 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 2.34m from Uxbridge.

Location: northbound exit slip at junction J1A (Watford) .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2025 to 05:00 on 25 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 1.72m from Uxbridge.

Location: clockwise entry slip at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 24 April 2025 to 05:00 on 25 April 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 1.92m from Uxbridge.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Gantry construction is planned.
Status : Pending.
Schedule : From 20:00 on 24 April 2025 to 06:00 on 25 April 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 1.22m from Uxbridge.

Location: northbound at junction J1 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Gantry construction is planned.
Status : Pending.
Schedule : From 20:00 on 24 April 2025 to 06:00 on 25 April 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 1.02m from Uxbridge.

Location: clockwise entry slip at junction J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 18 April 2025 to 05:00 on 19 April 2025.
Schedule : From 22:30 on 19 April 2025 to 05:00 on 20 April 2025.
Schedule : From 22:00 on 20 April 2025 to 05:00 on 21 April 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 2.6m from Uxbridge.

Location: northbound between junctions J1A (Watford) and J4 (High Wycombe) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Gantry construction is planned.
Status : Pending.
Schedule : From 20:00 on 23 April 2025 to 06:00 on 24 April 2025.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 1.38m from Beaconsfield.

Location: clockwise at junction J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 2.08m from Uxbridge.

Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 1.22m from Uxbridge.

Location: anticlockwise at junction J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 2.33m from Uxbridge.

Location: northbound entry slip at junction J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.13m from Uxbridge.

Location: southbound at junction J1A (Watford) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 2.58m from Chalfont Saint Peter.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 2.08m from Chalfont Saint Peter.

Location: slip road to the M40 southbound from M25 south.
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.41m from Uxbridge.

Location: slip road to the M40 southbound from M25 north.
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.23m from Uxbridge.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 2.61m from Chalfont Saint Peter.

Location: northbound at junction J1 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 06:00 from 22 April 2025 to 24 April 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 0.75m from Uxbridge.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 22:00 on 22 April 2025 to 05:30 on 26 April 2025.
Nearest town: 2.61m from Uxbridge.

Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 April 2025 to 25 April 2025.
Schedule : From 23:00 on 25 April 2025 to 05:30 on 26 April 2025.
Nearest town: 2.61m from Uxbridge.

Location: anticlockwise exit slip at junction J15 (Slough) .
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 22 April 2025 to 25 April 2025.
Schedule : From 23:00 on 25 April 2025 to 05:30 on 26 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 3.02m from Heathrow.

Location: eastbound entry slip at junction J4B (Heathrow) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 22:00 on 22 April 2025 to 05:30 on 26 April 2025.
Nearest town: 2.88m from Heathrow.

Location: eastbound entry slip at junction J4B (Heathrow) from the M25 anti-clockwise.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 April 2025 to 25 April 2025.
Schedule : From 23:00 on 25 April 2025 to 05:30 on 26 April 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 2.88m from Heathrow.

Location: southbound between the junctions with the M40 and the A4155 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 22 April 2025 to 06:00 on 23 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.3m from Marlow.

Location: northbound between the junctions with the A4155 and the M40 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 22 April 2025 to 06:00 on 23 April 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 1.64m from Marlow.

Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 15:30 from 22 April 2025 to 25 April 2025.
Schedule : From 09:30 on 28 April 2025 to 15:30 on 28 April 2025.
Nearest town: 0.27m from Beaconsfield.
