Location: northbound between the junctions with the M4 and the A4185 .
Due to: Congestion.
Normal traffic conditions are expected between 19:00 and 19:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 9.61 miles from Preston Crowmarsh.

Location: southbound exit slip at junction J8A (Thame) .
Due to: Roadworks.
Period : from 21:02 on 15 June 2026 to 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.42 miles from Preston Crowmarsh.

Location: southbound entry slip at junction J8A (Thame) .
Due to: Roadworks.
Period : from 21:03 on 15 June 2026 to 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.29 miles from Preston Crowmarsh.

Location: northbound between the A415 and the junction with the A423 .
Due to: Roadworks.
Period : from 20:17 on 15 June 2026 to 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.31 miles from Preston Crowmarsh.

Location: northbound between the A4183 south of Kennington and the junction with the A420 .
Due to: Roadworks scheme.
Period : from 21:04 on 15 June 2026 to 06:00 on 6 July 2026.
Nearest town: 9.03 miles from Preston Crowmarsh.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 11.35 miles from Preston Crowmarsh.

Location: northbound entry slip from the A4183 south of Kennington.
Due to: Road repairs.
Period : expect disruption until 06:00 on 3 July 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.03 miles from Preston Crowmarsh.

Location: southbound exit slip to the A420 .
Due to: Roadside Drains Works.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.97 miles from Preston Crowmarsh.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 10.45 miles from Preston Crowmarsh.

Location: southbound between junctions J8A (Thame) and J8 (Oxford) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 9.57 miles from Preston Crowmarsh.

Location: southbound exit slip at junction J8A (Thame) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.57 miles from Preston Crowmarsh.

Location: southbound entry slip at junction J8A (Thame) .
Due to: Road repairs.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.36 miles from Preston Crowmarsh.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 23 June 2026.
Nearest town: 12 miles from Preston Crowmarsh.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 8.31 miles from Preston Crowmarsh.

Location: southbound exit slip at Chieveley Services.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 22 June 2026 to 06:00 on 23 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.36 miles from Preston Crowmarsh.

Location: southbound entry slip from the M4 .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 22 June 2026 to 06:00 on 23 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.45 miles from Preston Crowmarsh.

Location: southbound between the junctions with the A420 and the A423 north of Kennington.
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 22 June 2026 to 26 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.53 miles from Preston Crowmarsh.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 22 June 2026 to 06:00 on 23 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.67 miles from Preston Crowmarsh.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 11.2 miles from Preston Crowmarsh.

Location: westbound between junctions J11 (Basingstoke) and J13 (Newbury) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 19 June 2026 to 06:00 on 20 June 2026.
Nearest town: 12.78 miles from Preston Crowmarsh.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.96 miles from Preston Crowmarsh.

Location: northbound between the A4183 south of Kennington and the junction with the A420 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.03 miles from Preston Crowmarsh.

Location: northbound between junctions J8A (Thame) 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 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.24 miles from Preston Crowmarsh.

Location: northbound between junctions J8A (Thame) 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 17 June 2026 to 06:00 on 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.24 miles from Preston Crowmarsh.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 19 June 2026 to 06:00 on 20 June 2026.
Schedule : From 20:00 on 22 June 2026 to 06:00 on 23 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.54 miles from Preston Crowmarsh.

Location: southbound between the A420 and the junction with the A423 north of Kennington.
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.82 miles from Preston Crowmarsh.

Location: southbound between junctions J8A (Thame) and J6 (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 20 June 2026 to 22 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.54 miles from Preston Crowmarsh.

Location: southbound exit slip to the A423 north of Kennington.
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 10.5 miles from Preston Crowmarsh.

Location: southbound between the junctions with the A44 and the A420 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.63 miles from Preston Crowmarsh.

Location: northbound between the junctions with the A420 and the A44 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.27 miles from Preston Crowmarsh.

Location: northbound exit slip to the A423 north of Kennington.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.09 miles from Preston Crowmarsh.

Location: northbound exit slip to the A423 north of Kennington.
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 10.09 miles from Preston Crowmarsh.

Location: southbound between the junctions with the A4185 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 16 June 2026 to 06:00 on 17 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.57 miles from Preston Crowmarsh.

Location: westbound between junctions J12 (Reading) and J13 (Newbury) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.86 miles from Preston Crowmarsh.

Location: eastbound between junctions J13 (Newbury) and J12 (Reading) .
Lane Closures : Lane three will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.34 miles from Preston Crowmarsh.

Location: westbound entry slip at junction J12 (Reading) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.74 miles from Preston Crowmarsh.

Location: westbound between junctions J11 (Basingstoke) and J12 (Reading) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.78 miles from Preston Crowmarsh.

Location: northbound between junctions J6 (Thame) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 17 June 2026 to 06:00 on 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.38 miles from Preston Crowmarsh.
