Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 19.4 miles from Saunderton.
Location: southbound at the junction with the A4012 .
Due to: Congestion.
Normal traffic conditions are expected between 02:45 and 03:00 on 24 January 2026.
Nearest town: 19.62 miles from Saunderton.
Location: southbound between the M40 and the junction with the A44 .
Due to: Roadworks.
Period : from 20:43 on 23 January 2026 to 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.55 miles from Saunderton.
Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lane four is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 10.31 miles from Saunderton.
Location: southbound entry slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 24 January 2026 to 06:00 on 25 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.72 miles from Saunderton.
Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 24 January 2026 to 06:00 on 25 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.04 miles from Saunderton.
Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 24 January 2026 to 06:00 on 25 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.83 miles from Saunderton.
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 24 January 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 7.75 miles from Saunderton.
Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:00 on 24 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 15.9 miles from Saunderton.
Location: anticlockwise at junction J20 (Hemel Hstead) .
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.86 miles from Saunderton.
Location: anticlockwise between junctions J21 (M1) and J20 (Hemel Hstead) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 19.23 miles from Saunderton.
Location: anticlockwise entry slip at junction J20 (Hemel Hstead) .
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 17.77 miles from Saunderton.
Location: northbound between the A423 north of Kennington and the junction with the A44 .
Lane Closures : Lane one is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.23 miles from Saunderton.
Location: northbound entry slip from the A420 .
Lane Closures : Lane one is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.14 miles from Saunderton.
Location: northbound exit slip to the A420 .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.11 miles from Saunderton.
Location: westbound between junctions J7 (Slough) and J8 (High Wycombe) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 24 January 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 15.53 miles from Saunderton.
Location: northbound between the A4155 and the junction with the M40 .
Due to: Roadworks scheme.
Period : from 21:00 on 21 January 2026 to 06:00 on 27 January 2026.
Nearest town: 9.39 miles from Saunderton.
Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 26 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 2 February 2026 to 5 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.01 miles from Saunderton.
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: 17.3 miles from Saunderton.
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: 17.21 miles from Saunderton.
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: 19.95 miles from Saunderton.
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: 17.75 miles from Saunderton.
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: 16.64 miles from Saunderton.
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: 17.63 miles from Saunderton.
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: 17.45 miles from Saunderton.
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: 6.12 miles from Saunderton.
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: 11.58 miles from Saunderton.
Location: northbound entry slip at junction J1 (Slough) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:15 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.27 miles from Saunderton.
Location: southbound entry slip from the A415 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 30 January 2026 to 06:00 on 31 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.5 miles from Saunderton.
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: 18.63 miles from Saunderton.
Location: southbound between the junctions with the A4130 and the A4185 .
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 30 January 2026 to 1 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.36 miles from Saunderton.
Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.87 miles from Saunderton.
Location: southbound exit slip to the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 29 January 2026 to 06:00 on 30 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.95 miles from Saunderton.
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: 17.41 miles from Saunderton.
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: 15.32 miles from Saunderton.
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: 15.17 miles from Saunderton.
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: 15.45 miles from Saunderton.
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: 19.03 miles from Saunderton.
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: 19.04 miles from Saunderton.
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: 19.14 miles from Saunderton.
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: 19.08 miles from Saunderton.
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: 5.36 miles from Saunderton.
Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 25 January 2026 to 23:59 on 26 January 2026.
Nearest town: 11.48 miles from Saunderton.
Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 26 January 2026 to 23:59 on 27 January 2026.
Nearest town: 6.39 miles from Saunderton.
Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 26 January 2026 to 30 January 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 10 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 one of three lanes closed.
Nearest town: 10.02 miles from Saunderton.
Location: southbound at junction J9 (Bicester) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.83 miles from Saunderton.
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 27 January 2026 to 31 January 2026.
Schedule : From 22:15 on 2 February 2026 to 06:00 on 3 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.04 miles from Saunderton.
Location: southbound between junctions J4 (High Wycombe) and J3 (Loudwater) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 27 January 2026 to 31 January 2026.
Schedule : From 22:15 on 2 February 2026 to 06:00 on 3 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.09 miles from Saunderton.
Location: northbound exit slip at junction J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 27 January 2026 to 05:00 on 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.55 miles from Saunderton.
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 : From 22:00 on 27 January 2026 to 05:00 on 28 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.88 miles from Saunderton.
Location: eastbound at junction J6 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.89 miles from Saunderton.
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 20:30 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.44 miles from Saunderton.
Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:30 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.43 miles from Saunderton.
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 20:30 on 27 January 2026 to 06:00 on 28 January 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.9 miles from Saunderton.
Location: northbound between junctions J8 (Oxford) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:15 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 9.78 miles from Saunderton.
Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 26 January 2026 to 05:30 on 27 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.6 miles from Saunderton.
Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 January 2026 to 1 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.26 miles from Saunderton.
Location: southbound.
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 January 2026 to 1 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 7.26 miles from Saunderton.
Location: southbound exit slip at junction J4 (High Wycombe) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 January 2026 to 1 February 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.21 miles from Saunderton.
Location: southbound between the A423 north of Kennington and the junction with the A415 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 January 2026 to 28 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.24 miles from Saunderton.
Location: westbound between junctions J8 (High Wycombe) and J10 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.94 miles from Saunderton.
Location: westbound at junction J10 (Reading) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.43 miles from Saunderton.
Location: westbound entry slip at junction J10 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.82 miles from Saunderton.
Location: westbound between junctions J10 (Reading) and J11 (Basingstoke) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.07 miles from Saunderton.
Location: northbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.76 miles from Saunderton.
Location: northbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.78 miles from Saunderton.
Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 26 January 2026 to 29 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 11.81 miles from Saunderton.
Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.81 miles from Saunderton.
Location: northbound exit slip to the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 January 2026 to 29 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.83 miles from Saunderton.
Location: eastbound at junction J8 (High Wycombe) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 26 January 2026 to 05:00 on 27 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.17 miles from Saunderton.
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 : From 20:00 on 26 January 2026 to 05:00 on 27 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.45 miles from Saunderton.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 26 January 2026 to 27 January 2026.
Nearest town: 15.74 miles from Saunderton.
Location: clockwise at junction J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 25 January 2026 to 06:00 on 26 January 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.41 miles from Saunderton.
Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 25 January 2026 to 06:00 on 26 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.67 miles from Saunderton.
Location: slip road to the M40 northbound from M25 north.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 25 January 2026 to 06:00 on 26 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.41 miles from Saunderton.
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 25 January 2026 to 05:30 on 26 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.83 miles from Saunderton.
Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 25 January 2026 to 23:59 on 30 January 2026.
Nearest town: 8.32 miles from Saunderton.
Location: northbound between junctions J4 (High Wycombe) and J5 (High Wycombe) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 25 January 2026 to 23:59 on 29 January 2026.
Nearest town: 5.43 miles from Saunderton.
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: 19.23 miles from Saunderton.
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: 19.83 miles from Saunderton.
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: 19.95 miles from Saunderton.
Location: northbound between junctions J1A (Watford) and J4 (High Wycombe) .
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 26 January 2026 to 30 January 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 2 February 2026 to 7 February 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 10 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: 13.94 miles from Saunderton.
Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.51 miles from Saunderton.
Location: northbound between the A4155 and the junction with the M40 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 23 January 2026 to 05:00 on 24 January 2026.
Schedule : From 21:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.39 miles from Saunderton.
Location: northbound between the A308 and the junction with the A4155 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 26 January 2026 to 06:00 on 27 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.7 miles from Saunderton.
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: 15.45 miles from Saunderton.
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: 15.17 miles from Saunderton.
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: 15.17 miles from Saunderton.
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: 15.45 miles from Saunderton.
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: 19.42 miles from Saunderton.
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: 19.3 miles from Saunderton.
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 : From 22:15 on 26 January 2026 to 06:00 on 27 January 2026.
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 10 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: 10.66 miles from Saunderton.
Location: westbound between the junctions with the A437 and the M40 .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 26 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 22:00 and 06:00 from 2 February 2026 to 5 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.14 miles from Saunderton.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 2 February 2026 to 5 February 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.07 miles from Saunderton.
Location: southbound between junctions J1A (Watford) and J1 (Slough) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 26 January 2026 to 31 January 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 2 February 2026 to 5 February 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.47 miles from Saunderton.
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