Location: northbound between junctions J13 (Milton Keynes) and J14 (Milton Keynes) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 03:15 and 03:30 on 29 April 2026.
Normal traffic conditions are expected between 03:15 and 03:30 on 29 April 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 18.86 miles from Lower Hartwell.

Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 01:15 and 01:30 on 29 April 2026.
Normal traffic conditions are expected between 01:15 and 01:30 on 29 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 17.6 miles from Lower Hartwell.

Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 22:15 and 22:30 on 28 April 2026.
Normal traffic conditions are expected between 22:15 and 22:30 on 28 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 19.1 miles from Lower Hartwell.

Location: northbound exit slip at junction J4 (High Wycombe) .
Due to: Congestion.
Normal traffic conditions are expected between 20:00 and 20:15 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 13.59 miles from Lower Hartwell.

Location: southbound between junctions J11 (Luton) and J10 (Luton Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 19:45 and 20:00 on 28 April 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.25 miles from Lower Hartwell.

Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Due to: Roadworks.
Period : from 21:32 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.58 miles from Lower Hartwell.

Location: northbound between the junctions with the A421 and the A509 .
Due to: Roadworks.
Period : from 19:39 on 28 April 2026 to 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.32 miles from Lower Hartwell.

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 29 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 19.29 miles from Lower Hartwell.

Location: southbound entry slip from the A421 .
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.44 miles from Lower Hartwell.

Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 09:30 on 29 April 2026 to 15:30 on 29 April 2026.
Nearest town: 18.99 miles from Lower Hartwell.

Location: northbound between junctions J9 (Bicester) and J10 (Northampton) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 23:59 on 28 April 2026.
Nearest town: 17.61 miles from Lower Hartwell.

Location: northbound between the A4012 and the junction with the A422 .
Due to: Roadworks scheme.
Period : from 20:14 on 20 April 2026 to 06:00 on 13 May 2026.
Nearest town: 14.7 miles from Lower Hartwell.

Location: northbound entry slip from the A421 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.33 miles from Lower Hartwell.

Location: southbound entry slip at junction J9 (Dunstable A5) .
Due to: Roadworks scheme.
Period : from 22:00 on 27 April 2026 to 05:00 on 1 June 2026.
Nearest town: 18.85 miles from Lower Hartwell.

Location: anticlockwise between junctions J18 (Rickmansworth) and J17 (Maple Cross) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.46 miles from Lower Hartwell.

Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.39 miles from Lower Hartwell.

Location: anticlockwise at junction J18 (Rickmansworth) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.27 miles from Lower Hartwell.

Location: anticlockwise exit slip at junction J17 (Maple Cross) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 23:00 and 05:30 from 5 May 2026 to 8 May 2026.
Schedule : From 23:00 on 8 May 2026 to 06:00 on 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.67 miles from Lower Hartwell.

Location: southbound exit slip at junction J13 (Milton Keynes) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 6 May 2026 to 05:00 on 7 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.85 miles from Lower Hartwell.

Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 6 May 2026 to 05:00 on 7 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.13 miles from Lower Hartwell.

Location: northbound between junctions J11A and J12 (Flitwick) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 6 May 2026 to 05:00 on 7 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.02 miles from Lower Hartwell.

Location: northbound entry slip at junction J5 (High Wycombe) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.03 miles from Lower Hartwell.

Location: southbound between junctions J9 (Bicester) and J4 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.18 miles from Lower Hartwell.

Location: southbound between junctions J11 (Luton) and J10 (Luton Airport) .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 5 May 2026 to 05:00 on 6 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.93 miles from Lower Hartwell.

Location: northbound exit slip at junction J8 (Oxford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.57 miles from Lower Hartwell.

Location: northbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.02 miles from Lower Hartwell.

Location: northbound exit slip at junction J6 (Thame) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.08 miles from Lower Hartwell.

Location: northbound entry slip at junction J6 (Thame) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.98 miles from Lower Hartwell.

Location: northbound between junctions J5 (High Wycombe) and J8A (Thame) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.08 miles from Lower Hartwell.

Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:00 on 5 May 2026 to 05:00 on 6 May 2026.
Nearest town: 19.11 miles from Lower Hartwell.

Location: clockwise exit slip at junction J19 (Watford) .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 5 May 2026 to 05:30 on 6 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.03 miles from Lower Hartwell.

Location: clockwise between junctions J18 (Rickmansworth) and J19 (Watford) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 5 May 2026 to 05:30 on 6 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.46 miles from Lower Hartwell.

Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 5 May 2026 to 05:30 on 6 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.16 miles from Lower Hartwell.

Location: southbound entry slip from the A423 north of Kennington.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.92 miles from Lower Hartwell.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 11 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.03 miles from Lower Hartwell.

Location: northbound exit slip at junction J2 (Beaconsfield) .
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 11 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.42 miles from Lower Hartwell.

Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.99 miles from Lower Hartwell.

Location: northbound between junctions J9 (Bicester) and J10 (Northampton) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 5 May 2026 to 06:00 on 6 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.76 miles from Lower Hartwell.

Location: northbound between the junctions with the A421 and the A422 Brackley South.
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 7 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.45 miles from Lower Hartwell.

Location: southbound between the A422 Brackley South and the junction with the A421 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 7 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.68 miles from Lower Hartwell.

Location: northbound between the M40 and the junction with the A422 Brackley South.
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 7 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.59 miles from Lower Hartwell.

Location: southbound at the junction with the A421 .
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 7 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.76 miles from Lower Hartwell.

Location: northbound between the junctions with the A5183 and the A4012 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 May 2026 to 06:00 on 6 May 2026.
Nearest town: 14.85 miles from Lower Hartwell.

Location: southbound between the junctions with the A4012 and the A5183 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 5 May 2026 to 06:00 on 6 May 2026.
Nearest town: 14.77 miles from Lower Hartwell.

Location: northbound between the junctions with the A4146 Bletchley South and the A4146 Bletchley North.
Lane Closures : Lane two will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.82 miles from Lower Hartwell.

Location: northbound between the A4146 Bletchley South and the junction with the A421 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 9 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.3 miles from Lower Hartwell.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 5 May 2026 to 23:59 on 8 May 2026.
Nearest town: 10.34 miles from Lower Hartwell.

Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 09:30 on 1 May 2026 to 16:00 on 1 May 2026.
Nearest town: 19.05 miles from Lower Hartwell.

Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 05:30 on 2 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.72 miles from Lower Hartwell.

Location: clockwise between junctions J17 (Maple Cross) and J18 (Rickmansworth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 1 May 2026 to 06:00 on 2 May 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.6 miles from Lower Hartwell.

Location: northbound between junctions J11A and J12 (Flitwick) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 30 April 2026 to 05:00 on 1 May 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 17.63 miles from Lower Hartwell.

Location: southbound at junction J10 (Northampton) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 11 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 12 May 2026 to 15 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 May 2026 to 22 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 May 2026 to 29 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.41 miles from Lower Hartwell.

Location: northbound between junctions J9 (Bicester) and J10 (Northampton) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 5 May 2026 to 15 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 May 2026 to 22 May 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 May 2026 to 29 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.47 miles from Lower Hartwell.

Location: northbound between junctions J10 (Northampton) and J11 (Banbury) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 12 May 2026 to 16 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 May 2026 to 22 May 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 26 May 2026 to 30 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.23 miles from Lower Hartwell.

Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 May 2026 to 18 May 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 30 May 2026 to 1 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.77 miles from Lower Hartwell.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 29 April 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 18.84 miles from Lower Hartwell.

Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
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 05:00 from 9 May 2026 to 11 May 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 18.84 miles from Lower Hartwell.

Location: southbound entry slip at junction J9 (Dunstable A5) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 9 May 2026 to 05:00 on 10 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.85 miles from Lower Hartwell.

Location: southbound exit slip to the M1 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 9 May 2026 to 05:00 on 10 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.83 miles from Lower Hartwell.

Location: northbound between junctions J9 (Bicester) and J10 (Northampton) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 3 May 2026 to 06:00 on 4 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.51 miles from Lower Hartwell.

Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 3 May 2026 to 06:00 on 4 May 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.94 miles from Lower Hartwell.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 3 May 2026 to 23:59 on 6 May 2026.
Nearest town: 13.56 miles from Lower Hartwell.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 3 May 2026 to 19:00 on 10 May 2026.
Nearest town: 9.86 miles from Lower Hartwell.

Location: southbound entry slip at junction J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 2 May 2026 to 06:00 on 3 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.3 miles from Lower Hartwell.

Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 2 May 2026 to 06:00 on 3 May 2026.
Nearest town: 17.38 miles from Lower Hartwell.

Location: northbound exit slip at junction J10 (Northampton) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 2 May 2026 to 06:00 on 3 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.75 miles from Lower Hartwell.

Location: northbound entry slip at junction J10 (Northampton) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 2 May 2026 to 06:00 on 3 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.06 miles from Lower Hartwell.

Location: northbound between junctions J9 (Bicester) and J11 (Banbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 2 May 2026 to 06:00 on 3 May 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.03 miles from Lower Hartwell.

Location: southbound between the A421 and the junction with the A4146 North.
Lane Closures : Lane one is closed.
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 29 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.37 miles from Lower Hartwell.

Location: southbound at junction J9 (Bicester) .
Lane Closures : Lane two is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.56 miles from Lower Hartwell.

Location: southbound entry slip at junction J9 (Bicester) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.31 miles from Lower Hartwell.

Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 15.8 miles from Lower Hartwell.

Location: southbound between junctions J9 (Bicester) and J8 (Oxford) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.36 miles from Lower Hartwell.

Location: southbound exit slip at junction J8A (Thame) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.14 miles from Lower Hartwell.

Location: southbound entry slip at junction J8A (Thame) .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 11.04 miles from Lower Hartwell.

Location: southbound between junctions J5 (High Wycombe) and J4 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 13.24 miles from Lower Hartwell.

Location: southbound entry slip at junction J3 (Loudwater) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.19 miles from Lower Hartwell.

Location: southbound entry slip at junction J4 (High Wycombe) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.52 miles from Lower Hartwell.

Location: southbound between junctions J5 (High Wycombe) and J2 (Beaconsfield) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 13.56 miles from Lower Hartwell.

Location: southbound exit slip at junction J2 (Beaconsfield) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.03 miles from Lower Hartwell.

Location: northbound entry slip from the A4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 6 May 2026 to 06:00 on 7 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.88 miles from Lower Hartwell.

Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 10.75 miles from Lower Hartwell.

Location: northbound between the A4146 Bletchley North and the junction with the A422 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 15.53 miles from Lower Hartwell.

Location: northbound exit slip to the A509 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.47 miles from Lower Hartwell.

Location: northbound between the junctions with the A4146 Bletchley North and the A421 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 15.71 miles from Lower Hartwell.

Location: northbound between the A4146 Bletchley South and the junction with the A421 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.93 miles from Lower Hartwell.

Location: southbound between junctions J6 (Thame) and J5 (High Wycombe) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 29 April 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 10.18 miles from Lower Hartwell.

Location: northbound between junctions J6 (Watford A405) 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 21:00 and 05:00 from 29 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.96 miles from Lower Hartwell.

Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 29 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.86 miles from Lower Hartwell.

Location: northbound exit slip at junction J9 (Dunstable A5) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 29 April 2026 to 1 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 5 May 2026 to 9 May 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 11 May 2026 to 16 May 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.78 miles from Lower Hartwell.
