Location: southbound exit slip to the A423 north of Kennington.
Due to: Congestion.
Normal traffic conditions are expected between 08:15 and 08:30 on 10 March 2026.
Nearest town: 12.4 miles from Carswell Marsh.

Location: southbound exit slip at junction J9 (Bicester) .
Due to: Congestion.
Normal traffic conditions are expected between 07:00 and 07:15 on 10 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.63 miles from Carswell Marsh.

Location: northbound between the A415 and the junction with the A423 .
Due to: Roadworks.
Period : from 20:02 on 9 March 2026 to 06:00 on 10 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.89 miles from Carswell Marsh.

Location: southbound between the junctions with the A4185 and the M4 .
Due to: Roadworks.
Period : from 19:43 on 9 March 2026 to 05:00 on 10 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.27 miles from Carswell Marsh.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 10 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.48 miles from Carswell Marsh.

Location: northbound exit slip at junction J9 (Bicester) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.52 miles from Carswell Marsh.

Location: northbound exit slip at junction J8A (Thame) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.53 miles from Carswell Marsh.

Location: northbound between junctions J8 (Oxford) and J8A (Thame) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 19.87 miles from Carswell Marsh.

Location: northbound entry slip at junction J8A (Thame) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.36 miles from Carswell Marsh.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lane three will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.59 miles from Carswell Marsh.

Location: southbound at junction J9 (Bicester) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.7 miles from Carswell Marsh.

Location: southbound between junctions J9 (Bicester) 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 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.67 miles from Carswell Marsh.

Location: southbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.47 miles from Carswell Marsh.

Location: southbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.47 miles from Carswell Marsh.

Location: southbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.51 miles from Carswell Marsh.

Location: southbound between the M40 and the junction with the A44 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.89 miles from Carswell Marsh.

Location: northbound between the junctions with the M4 and the A4185 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.89 miles from Carswell Marsh.

Location: northbound between the A4183 south of Kennington and the junction with the A420 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.68 miles from Carswell Marsh.

Location: northbound between the A4130 and the junction with the A415 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.73 miles from Carswell Marsh.

Location: northbound exit slip to the A423 north of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.48 miles from Carswell Marsh.

Location: northbound between the A415 and the junction with the A4183 south of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 March 2026 to 06:00 on 11 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.76 miles from Carswell Marsh.

Location: northbound between the A4 and the junction with the M4 .
Due to: Roadworks scheme.
Period : from 20:12 on 9 March 2026 to 06:00 on 10 March 2026.
Nearest town: 19.1 miles from Carswell Marsh.

Location: northbound at the junction with the M4 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.79 miles from Carswell Marsh.

Location: northbound between the junctions with the A4 and the M4 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 18.89 miles from Carswell Marsh.

Location: southbound between the A4185 and the junction with the M4 .
Due to: Roadworks scheme.
Period : from 20:12 on 9 March 2026 to 06:00 on 14 March 2026.
Nearest town: 17.67 miles from Carswell Marsh.

Location: northbound between the junctions with the A4 and the A339 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.1 miles from Carswell Marsh.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lane one is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 10 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 13.68 miles from Carswell Marsh.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : The hard shoulder is closed.
Due to: Horticultural works.
Period : expect disruption until 23:59 on 20 March 2026.
Nearest town: 19.58 miles from Carswell Marsh.

Location: northbound between the A4183 south of Kennington and the junction with the A420 .
Due to: Roadworks scheme.
Period : from 21:00 on 9 March 2026 to 06:00 on 26 March 2026.
Nearest town: 11.68 miles from Carswell Marsh.

Location: eastbound between junctions J17 (Chippenham) and J16 (Swindon) .
Lane Closures : The hard shoulder is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 18:00 on 31 July 2026.
Nearest town: 19.32 miles from Carswell Marsh.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lane three will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 10 March 2026 to 12 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.59 miles from Carswell Marsh.

Location: northbound between the A420 and the junction with the M40 .
Due to: Bridge repairs are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.62 miles from Carswell Marsh.

Location: northbound between the A423 north of Kennington and the junction with the A420 .
Due to: Bridge repairs are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.52 miles from Carswell Marsh.

Location: northbound exit slip to the A44 .
Due to: Bridge repairs are planned.
Status : Pending.
Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.22 miles from Carswell Marsh.

Location: southbound at junction J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.7 miles from Carswell Marsh.

Location: northbound between junctions J8A (Thame) and J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.56 miles from Carswell Marsh.

Location: northbound exit slip at junction J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.52 miles from Carswell Marsh.

Location: southbound exit slip at junction J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.7 miles from Carswell Marsh.

Location: southbound between junctions J10 (Northampton) and J9 (Bicester) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.99 miles from Carswell Marsh.

Location: southbound between the A417 and the junction with the A361 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.9 miles from Carswell Marsh.

Location: northbound between the junctions with the A44 and the M40 .
Lane Closures : Lane two will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.93 miles from Carswell Marsh.

Location: northbound between the A4311 and the junction with the A417 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.59 miles from Carswell Marsh.

Location: northbound between the A419 and the junction with the A436 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.98 miles from Carswell Marsh.

Location: northbound between the junctions with the A415 and the A4183 south 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 16 March 2026 to 28 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.21 miles from Carswell Marsh.

Location: eastbound between junctions J14 (Hungerford) and J13 (Newbury) .
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 16 March 2026 to 19 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.31 miles from Carswell Marsh.

Location: southbound between the A420 and the junction with 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 16 March 2026 to 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.66 miles from Carswell Marsh.

Location: southbound entry slip from the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.99 miles from Carswell Marsh.

Location: northbound between the M4 and the junction with the A420 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.89 miles from Carswell Marsh.

Location: southbound between the A415 and the junction with the M4 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 19 March 2026.
Nearest town: 10.77 miles from Carswell Marsh.

Location: southbound between the A415 and the junction with the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.77 miles from Carswell Marsh.

Location: southbound exit slip to the A4185 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.72 miles from Carswell Marsh.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 16:00 from 16 March 2026 to 20 March 2026.
Schedule : From 09:00 on 23 March 2026 to 16:00 on 23 March 2026.
Nearest town: 14.54 miles from Carswell Marsh.

Location: southbound exit slip at junction J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 15 March 2026 to 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.32 miles from Carswell Marsh.

Location: southbound between junctions J9 (Bicester) and J8A (Thame) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 15 March 2026 to 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.49 miles from Carswell Marsh.

Location: eastbound between junctions J14 (Hungerford) and J13 (Newbury) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.74 miles from Carswell Marsh.

Location: westbound between junctions J13 (Newbury) and J14 (Hungerford) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.14 miles from Carswell Marsh.

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 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 11.66 miles from Carswell Marsh.

Location: southbound entry slip from the A420 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.64 miles from Carswell Marsh.

Location: westbound between junctions J15 (Swindon) and J16 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.89 miles from Carswell Marsh.

Location: westbound exit slip at junction J16 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.27 miles from Carswell Marsh.

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 12 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.11 miles from Carswell Marsh.

Location: northbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.18 miles from Carswell Marsh.

Location: northbound between the A4185 and the junction with the A415 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 12 March 2026 to 06:00 on 14 March 2026.
Nearest town: 12.65 miles from Carswell Marsh.

Location: northbound between the A4185 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 12 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.65 miles from Carswell Marsh.

Location: northbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 11 March 2026 to 06:00 on 12 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.19 miles from Carswell Marsh.

Location: northbound between the M4 and the junction with the A4185 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 12 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.78 miles from Carswell Marsh.

Location: southbound between the A423 north of Kennington and the junction with the A4130 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.47 miles from Carswell Marsh.

Location: southbound exit slip to the A415 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.87 miles from Carswell Marsh.

Location: northbound between the junctions with the A415 and the A423 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.37 miles from Carswell Marsh.

Location: southbound exit slip to the A4183 south of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.85 miles from Carswell Marsh.

Location: southbound between the A420 and the junction with the A423 north of Kennington.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.29 miles from Carswell Marsh.

Location: southbound between the A4185 and the junction with the M4 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.07 miles from Carswell Marsh.

Location: southbound between the junctions with the A4185 and the M4 .
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 10 March 2026 to 14 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.67 miles from Carswell Marsh.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 12 March 2026 to 06:00 on 13 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.61 miles from Carswell Marsh.

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 19 March 2026 to 26 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.16 miles from Carswell Marsh.

Location: southbound between the A423 north of Kennington and the junction with the A4130 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:30 on 25 March 2026 to 06:00 on 26 March 2026.
Nearest town: 12.47 miles from Carswell Marsh.

Location: southbound between the A420 and the junction with the A4259 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 March 2026 to 14 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.91 miles from Carswell Marsh.
