Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Roadworks.
Period : from 21:55 on 3 June 2025 to 05:30 on 4 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.14 miles from Ilmer.

Location: southbound between the A423 north of Kennington and the junction with the A415 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 4 June 2025 to 06:00 on 5 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.5 miles from Ilmer.

Location: southbound between the junctions with the A415 and the A4130 .
Lane Closures : Lane one is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 4 June 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.93 miles from Ilmer.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane four is closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 4 June 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 15.3 miles from Ilmer.

Location: southbound between junctions J9 (Bicester) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 4 June 2025 to 06:00 on 5 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.87 miles from Ilmer.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 4 June 2025 to 06:00 on 5 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.49 miles from Ilmer.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 4 June 2025 to 05:00 on 5 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.74 miles from Ilmer.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 4 June 2025 to 15:30 on 4 June 2025.
Nearest town: 12.75 miles from Ilmer.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 4 June 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.95 miles from Ilmer.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 4 June 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 4.75 miles from Ilmer.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 4 June 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 16.71 miles from Ilmer.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 4 June 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 18.25 miles from Ilmer.

Location: northbound at the junction with the A4146 Bletchley South.
Lane Closures : Lane one is closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:00 on 4 June 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.51 miles from Ilmer.

Location: clockwise between junctions J16 (M40) and J18 (Rickmansworth) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Road repairs.
Period : expect disruption until 05:30 on 4 June 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 17.96 miles from Ilmer.

Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Road repairs.
Period : expect disruption until 05:30 on 4 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.08 miles from Ilmer.

Location: southbound between the A5183 and the junction with the M1 .
Due to: Roadworks scheme.
Period : from 20:08 on 27 May 2025 to 06:00 on 10 June 2025.
Nearest town: 18.92 miles from Ilmer.

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 4 June 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 14.16 miles from Ilmer.

Location: northbound between the junctions with the M40 and the A421 .
Due to: Roadworks scheme.
Period : from 21:30 on 3 June 2025 to 06:00 on 17 June 2025.
Nearest town: 19.65 miles from Ilmer.

Location: southbound between junctions J8A (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 10 June 2025 to 06:00 on 11 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.96 miles from Ilmer.

Location: northbound between junctions J4 (High Wycombe) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 10 June 2025 to 06:00 on 11 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.25 miles from Ilmer.

Location: southbound entry slip at junction J8 (Oxford) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 June 2025 to 06:00 on 11 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.99 miles from Ilmer.

Location: eastbound at junction J6 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 June 2025 to 06:00 on 11 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.99 miles from Ilmer.

Location: eastbound between junctions J8 (High Wycombe) and J6 (Slough) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 June 2025 to 06:00 on 11 June 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.6 miles from Ilmer.

Location: northbound entry slip at junction J5 (High Wycombe) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 5 June 2025 to 06:00 on 6 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 5.43 miles from Ilmer.

Location: northbound between junctions J5 (High Wycombe) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 5 June 2025 to 06:00 on 6 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.44 miles from Ilmer.

Location: northbound between the junctions with the A415 and the A4183 south of Kennington.
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 9 June 2025 to 11 June 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.83 miles from Ilmer.

Location: southbound exit slip at junction J10 (Northampton) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 3 June 2025 to 7 June 2025.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 9 June 2025 to 13 June 2025.
Schedule : From 21:30 on 16 June 2025 to 06:00 on 17 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.97 miles from Ilmer.

Location: northbound between the junctions with the M40 and the A421 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 4 June 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.65 miles from Ilmer.

Location: southbound between junctions J8A (Thame) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 9 June 2025 to 06:00 on 10 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 4.96 miles from Ilmer.

Location: northbound between junctions J4 (High Wycombe) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 9 June 2025 to 06:00 on 10 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 6.24 miles from Ilmer.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 June 2025 to 11 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.32 miles from Ilmer.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 June 2025 to 13 June 2025.
Schedule : From 23:00 on 13 June 2025 to 06:00 on 14 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.74 miles from Ilmer.

Location: anticlockwise exit slip at junction J18 (Rickmansworth) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 June 2025 to 13 June 2025.
Schedule : From 23:00 on 13 June 2025 to 06:00 on 14 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.23 miles from Ilmer.

Location: anticlockwise entry slip at junction J20 (Hemel Hstead) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 June 2025 to 13 June 2025.
Schedule : From 23:00 on 13 June 2025 to 06:00 on 14 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.77 miles from Ilmer.

Location: anticlockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 9 June 2025 to 13 June 2025.
Schedule : From 23:00 on 13 June 2025 to 06:00 on 14 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.83 miles from Ilmer.

Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 9 June 2025 to 06:00 on 10 June 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.6 miles from Ilmer.

Location: eastbound exit slip at junction J7 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 9 June 2025 to 06:00 on 10 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 18.8 miles from Ilmer.

Location: northbound between the A4146 Bletchley South and the junction with the A508 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 9 June 2025 to 06:00 on 20 June 2025.
Nearest town: 19.9 miles from Ilmer.

Location: northbound between the A4146 Bletchley South and the junction with the A509 .
Lane Closures : Lane two 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 one of two lanes closed.
Nearest town: 19.9 miles from Ilmer.

Location: northbound between the A4146 Bletchley South and the junction with the A421 .
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.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.9 miles from Ilmer.

Location: southbound between the A44 and the junction with the A423 north of Kennington.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 7 June 2025 to 06:00 on 15 June 2025.
Nearest town: 16.89 miles from Ilmer.

Location: northbound between junctions J9 (Bicester) and J10 (Northampton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 7 June 2025 to 06:00 on 8 June 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.7 miles from Ilmer.

Location: northbound exit slip at junction J10 (Northampton) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 7 June 2025 to 06:00 on 8 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.11 miles from Ilmer.

Location: southbound between the A44 and the junction with the A423 north of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 7 June 2025 to 06:00 on 8 June 2025.
Schedule : From 21:00 on 14 June 2025 to 06:00 on 15 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.89 miles from Ilmer.

Location: southbound between the M40 and the junction with the A44 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 7 June 2025 to 06:00 on 8 June 2025.
Schedule : From 21:00 on 14 June 2025 to 06:00 on 15 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.8 miles from Ilmer.

Location: southbound exit slip to the A420 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 7 June 2025 to 06:00 on 8 June 2025.
Schedule : From 21:00 on 14 June 2025 to 06:00 on 15 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.95 miles from Ilmer.

Location: northbound between junctions J7 (Thame) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 6 June 2025 to 06:00 on 7 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.19 miles from Ilmer.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 6 June 2025 to 06:00 on 7 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.73 miles from Ilmer.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 6 June 2025 to 15:30 on 6 June 2025.
Nearest town: 11.41 miles from Ilmer.

Location: northbound between junctions J7 (Thame) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 5 June 2025 to 06:00 on 6 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.19 miles from Ilmer.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 5 June 2025 to 05:30 on 6 June 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 10.61 miles from Ilmer.

Location: southbound between junctions J9 (Bicester) and J8 (Oxford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:15 on 5 June 2025 to 06:00 on 6 June 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.87 miles from Ilmer.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:30 on 5 June 2025 to 15:30 on 5 June 2025.
Nearest town: 11.71 miles from Ilmer.

Location: northbound between the junctions with the A4146 Bletchley South and the A4146 Bletchley North.
Lane Closures : Lane one is closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:00 on 4 June 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.55 miles from Ilmer.

Location: northbound between the junctions with the A4012 and the A4146 Bletchley South.
Due to: Planned Roadworks.
Period : expect disruption until 05:00 on 4 June 2025.
Nearest town: 19.43 miles from Ilmer.

Location: slip road to the M40 southbound from M25 south.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 4 June 2025 to 5 June 2025.
Nearest town: 19.77 miles from Ilmer.

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 4 June 2025 to 5 June 2025.
Nearest town: 19.18 miles from Ilmer.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 4 June 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.08 miles from Ilmer.

Location: southbound at the junction with the A5183 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 4 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.99 miles from Ilmer.

Location: southbound between the A5183 and the junction with the M1 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 4 June 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.92 miles from Ilmer.

Location: southbound between the junctions with the A4012 and the A5183 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 4 June 2025.
Nearest town: 18.9 miles from Ilmer.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 4 June 2025.
Nearest town: 18.89 miles from Ilmer.

Location: northbound between the A4130 and the junction with the A4155 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 4 June 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.98 miles from Ilmer.

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 4 June 2025.
Lanes Closed : There are two of four lanes closed.
Nearest town: 13.1 miles from Ilmer.

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 4 June 2025.
Lanes Closed : There are two of three lanes closed.
Nearest town: 12.16 miles from Ilmer.

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: 19.08 miles from Ilmer.

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: 19.13 miles from Ilmer.

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: 19.13 miles from Ilmer.

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 4 June 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.14 miles from Ilmer.
