Location: northbound exit slip at junction J8 (Hemel Hstead) .
Lane Closures : Lane one is closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 19:00 and 19:15 on 27 January 2026.
Normal traffic conditions are expected between 19:00 and 19:15 on 27 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.49 miles from Marsh.

Location: southbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 23:30 and 23:45 on 27 January 2026.
Nearest town: 11.4 miles from Marsh.

Location: southbound exit slip at junction J13 (Milton Keynes) .
Due to: Congestion.
Normal traffic conditions are expected between 21:15 and 21:30 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.89 miles from Marsh.

Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Due to: Congestion.
Normal traffic conditions are expected between 22:30 and 22:45 on 27 January 2026.
Delay : There are currently delays of 20 minutes against expected traffic.
Earlier
Due to: Caused by an earlier accident.
Nearest town: 19.94 miles from Marsh.

Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 27 January 2026.
Nearest town: 17.38 miles from Marsh.

Location: northbound between the A5183 and the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 19:00 and 19:15 on 27 January 2026.
Delay : There are currently delays of 15 minutes against expected traffic.
Nearest town: 14.93 miles from Marsh.

Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Due to: Congestion.
Normal traffic conditions are expected between 18:45 and 19:00 on 27 January 2026.
Cause : Emergency roadworks.
Delay : There are currently delays of 15 minutes against expected traffic.
Nearest town: 19.85 miles from Marsh.

Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Nearest town: 17.38 miles from Marsh.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) dedicated lane from A414.
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 17.74 miles from Marsh.

Location: northbound entry slip from the A423 north of Kennington.
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Nearest town: 18.8 miles from Marsh.

Location: southbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 18:30 and 18:45 on 27 January 2026.
Nearest town: 11.4 miles from Marsh.

Location: southbound between the A4146 South and the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 20:00 and 20:15 on 27 January 2026.
Delay : There are currently delays of 15 minutes against expected traffic.
Nearest town: 14.97 miles from Marsh.

Location: southbound exit slip at junction J9 (Bicester) .
Due to: Roadworks.
Period : from 22:06 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.22 miles from Marsh.

Location: northbound.
Due to: Roadworks.
Period : from 21:01 on 27 January 2026 to 05:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.62 miles from Marsh.

Location: northbound between the junctions with the A4130 and the A308 .
Due to: Roadworks.
Period : from 20:12 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.57 miles from Marsh.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 19:00 on 28 January 2026.
Nearest town: 8.98 miles from Marsh.

Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane one is closed.
Due to: Emergency Roadside Drains works.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.95 miles from Marsh.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 17.38 miles from Marsh.

Location: southbound between junctions J1A (Watford) and J1 (Slough) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 18.9 miles from Marsh.

Location: anticlockwise between junctions J17 (Maple Cross) 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 28 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 17.81 miles from Marsh.

Location: southbound between junctions J6A (St Albans) and J5 (Harrow A41) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.41 miles from Marsh.

Location: southbound between the junctions with the A4012 and the A5183 .
Due to: Roadworks.
Period : expect disruption until 18:00 on 29 January 2026.
Nearest town: 14.96 miles from Marsh.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Roadworks.
Period : expect disruption until 18:00 on 29 January 2026.
Nearest town: 14.95 miles from Marsh.

Location: southbound at junction J9 (Bicester) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.37 miles from Marsh.

Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.37 miles from Marsh.

Location: northbound exit slip at junction J8 (Hemel Hstead) .
Lane Closures : Lane one is closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.05 miles from Marsh.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lane one is closed.
Due to: Road repairs.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 18.5 miles from Marsh.

Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
Due to: Roadworks scheme.
Period : from 21:05 on 27 January 2026 to 05:00 on 28 January 2026.
Nearest town: 15.55 miles from Marsh.

Location: northbound.
Due to: Roadworks.
Period : expect disruption until 05:00 on 28 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.58 miles from Marsh.

Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
Due to: Roadworks.
Period : expect disruption until 05:00 on 28 January 2026.
Nearest town: 15.55 miles from Marsh.

Location: eastbound between junctions J8 (High Wycombe) and J6 (Slough) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 23:59 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.37 miles from Marsh.

Location: southbound between the A423 north of Kennington and the junction with the A415 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.73 miles from Marsh.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 30 January 2026.
Nearest town: 12 miles from Marsh.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 29 January 2026.
Nearest town: 10.27 miles from Marsh.

Location: southbound exit slip at Toddington Services.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.37 miles from Marsh.

Location: southbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 3 February 2026 to 06:00 on 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.8 miles from Marsh.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 3 February 2026 to 06:00 on 4 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.73 miles from Marsh.

Location: anticlockwise between junctions J18 (Rickmansworth) and J16 (M40) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 3 February 2026 to 05:30 on 4 February 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.58 miles from Marsh.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
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 3 February 2026 to 6 February 2026.
Schedule : From 23:00 on 6 February 2026 to 05:30 on 7 February 2026.
Schedule : From 22:00 on 9 February 2026 to 05:30 on 10 February 2026.
Schedule : From 22:00 on 11 February 2026 to 05:30 on 12 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.12 miles from Marsh.

Location: northbound between junctions J11 (Luton) and J11A .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 05:00 on 29 January 2026.
Nearest town: 17.43 miles from Marsh.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 07:00 on 3 February 2026 to 23:59 on 4 February 2026.
Nearest town: 17.3 miles from Marsh.

Location: northbound between junctions J8A (Thame) and J10 (Northampton) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 2 February 2026 to 06:00 on 3 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.05 miles from Marsh.

Location: northbound between junctions J9 (Bicester) and J11 (Banbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 2 February 2026 to 5 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.42 miles from Marsh.

Location: clockwise at junction J16 (M40) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.8 miles from Marsh.

Location: slip road to the M40 northbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.8 miles from Marsh.

Location: slip road to the M40 southbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.39 miles from Marsh.

Location: anticlockwise exit slip at junction J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.85 miles from Marsh.

Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.22 miles from Marsh.

Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.28 miles from Marsh.

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 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.54 miles from Marsh.

Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 2 February 2026 to 05:30 on 3 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.48 miles from Marsh.

Location: northbound at junction J11A .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.55 miles from Marsh.

Location: northbound between junctions J11 (Luton) and J11A .
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 05:00 from 2 February 2026 to 4 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.46 miles from Marsh.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 2 February 2026 to 19:00 on 6 February 2026.
Nearest town: 11.97 miles from Marsh.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.83 miles from Marsh.

Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 18.97 miles from Marsh.

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 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.25 miles from Marsh.

Location: northbound between junctions J1A (Watford) and J4 (High Wycombe) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 15.92 miles from Marsh.

Location: southbound between junctions J4 (High Wycombe) and J1A (Watford) .
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 3 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 9 February 2026 to 14 February 2026.
Schedule : From 22:15 on 16 February 2026 to 06:00 on 17 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.8 miles from Marsh.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 1 February 2026 to 05:30 on 2 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 16.36 miles from Marsh.

Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 1 February 2026 to 23:59 on 3 February 2026.
Nearest town: 11.57 miles from Marsh.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 1 February 2026 to 23:59 on 9 February 2026.
Nearest town: 10.15 miles from Marsh.

Location: anticlockwise entry slip at junction J19 (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 31 January 2026 to 06:00 on 1 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.08 miles from Marsh.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.2 miles from Marsh.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.14 miles from Marsh.

Location: southbound between junctions J6A (St Albans) and J5 (Harrow A41) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.41 miles from Marsh.

Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.03 miles from Marsh.

Location: clockwise between junctions J20 (Hemel Hstead) and J21A (Watword) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.17 miles from Marsh.

Location: clockwise exit slip at junction J21A (Watword) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.59 miles from Marsh.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.71 miles from Marsh.

Location: clockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.17 miles from Marsh.

Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.29 miles from Marsh.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.75 miles from Marsh.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.4 miles from Marsh.

Location: northbound entry slip at junction J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.57 miles from Marsh.

Location: northbound exit slip at junction J6 (Watford A405) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 30 January 2026 to 05:30 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.61 miles from Marsh.

Location: northbound between the junctions with the A44 and the M40 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.38 miles from Marsh.

Location: slip road to the M40 northbound from M25 north.
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 28 January 2026 to 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.8 miles from Marsh.

Location: eastbound between junctions J8 (High Wycombe) and J7 (Slough) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.58 miles from Marsh.

Location: eastbound at junction J8 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.53 miles from Marsh.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.94 miles from Marsh.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.37 miles from Marsh.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.38 miles from Marsh.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.48 miles from Marsh.

Location: northbound between the A44 and the junction with the M40 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.98 miles from Marsh.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 28 January 2026 to 23:59 on 2 February 2026.
Nearest town: 10.27 miles from Marsh.

Location: southbound between junctions J4 (High Wycombe) and J1A (Watford) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 13.26 miles from Marsh.

Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane three is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 12.48 miles from Marsh.

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 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 11.41 miles from Marsh.

Location: southbound.
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 January 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 11.41 miles from Marsh.

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 28 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 11.45 miles from Marsh.

Location: northbound exit slip at junction J10 (Northampton) .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 28 January 2026 to 06:00 on 29 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.82 miles from Marsh.

Location: southbound exit slip at junction J12 (Flitwick) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.47 miles from Marsh.

Location: southbound exit slip at junction J13 (Milton Keynes) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.86 miles from Marsh.

Location: southbound entry slip at junction J12 (Flitwick) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.48 miles from Marsh.

Location: northbound between junctions J6 (Watford A405) and J9 (Dunstable A5) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 05:00 on 29 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.1 miles from Marsh.

Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.35 miles from Marsh.

Location: southbound between junctions J9 (Dunstable A5) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.78 miles from Marsh.

Location: clockwise at junction J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.03 miles from Marsh.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.79 miles from Marsh.

Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 28 January 2026 to 05:00 on 29 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.92 miles from Marsh.

Location: northbound entry slip at junction J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.74 miles from Marsh.

Location: northbound entry slip at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.35 miles from Marsh.

Location: anticlockwise at junction J21 (M1) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.85 miles from Marsh.

Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 29 January 2026 to 05:00 on 30 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.12 miles from Marsh.

Location: northbound exit slip at junction J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.1 miles from Marsh.

Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.79 miles from Marsh.

Location: northbound exit slip at junction J11 (Luton) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.3 miles from Marsh.

Location: northbound between junctions J10 (Luton Airport) and J11A .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.07 miles from Marsh.

Location: northbound exit slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 February 2026 to 05:00 on 19 February 2026.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.55 miles from Marsh.

Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 21 February 2026 to 05:00 on 22 February 2026.
Schedule : From 22:00 on 21 March 2026 to 05:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.02 miles from Marsh.

Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 February 2026 to 05:00 on 20 February 2026.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.42 miles from Marsh.

Location: southbound exit slip at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.68 miles from Marsh.

Location: southbound entry slip at Toddington Services.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.35 miles from Marsh.

Location: southbound entry slip at junction J13 (Milton Keynes) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 February 2026 to 05:00 on 21 February 2026.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.97 miles from Marsh.

Location: eastbound between junctions J10 (Reading) and J8 (High Wycombe) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 2 February 2026 to 06:00 on 11 February 2026.
Nearest town: 19.94 miles from Marsh.

Location: eastbound exit slip at junction J8 (High Wycombe) .
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 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 11 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.53 miles from Marsh.

Location: eastbound at junction J8 (High Wycombe) .
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 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 11 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.53 miles from Marsh.

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 : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 11 February 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.94 miles from Marsh.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.55 miles from Marsh.

Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.1 miles from Marsh.

Location: anticlockwise exit slip at junction J21 (M1) .
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 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.85 miles from Marsh.

Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.22 miles from Marsh.

Location: northbound at junction J6 (Watford A405) .
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 05:00 from 2 March 2026 to 7 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.61 miles from Marsh.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
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 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.6 miles from Marsh.

Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
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 05:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 28 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.66 miles from Marsh.

Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
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 05:00 from 16 February 2026 to 21 February 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 February 2026 to 28 February 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.89 miles from Marsh.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 February 2026 to 21 February 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 February 2026 to 28 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.85 miles from Marsh.

Location: southbound entry slip at junction J9 (Dunstable A5) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 February 2026 to 21 February 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 February 2026 to 28 February 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.89 miles from Marsh.
