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: 17.58 miles from Holwell.

Location: southbound between the A436 and the junction with the A419 .
Due to: Congestion.
Normal traffic conditions are expected between 07:45 and 08:00 on 10 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 19.07 miles from Holwell.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks.
Period : from 20:17 on 9 March 2026 to 06:00 on 10 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 19.23 miles from Holwell.

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: 16.64 miles from Holwell.

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: 18.52 miles from Holwell.

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: 18.52 miles from Holwell.

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: 18.6 miles from Holwell.

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: 18.87 miles from Holwell.

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: 17.7 miles from Holwell.

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: 16.7 miles from Holwell.

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: 17.79 miles from Holwell.

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: 16.63 miles from Holwell.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks scheme.
Period : from 20:46 on 16 February 2026 to 06:00 on 14 March 2026.
Nearest town: 19.1 miles from Holwell.

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: 17.7 miles from Holwell.

Location: northbound between the junctions with the A436 and the A46 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 23:59 on 29 May 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.98 miles from Holwell.

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: 18.97 miles from Holwell.

Location: northbound between the A419 and the junction with the A436 .
Due to: Roadworks scheme.
Period : from 17:01 on 2 July 2024 to 06:00 on 17 April 2026.
Nearest town: 17.86 miles from Holwell.

Location: northbound between the junctions with the A419 and the A436 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Nearest town: 17.88 miles from Holwell.

Location: southbound between the A436 and the junction with the A419 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Nearest town: 17.97 miles from Holwell.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks scheme.
Period : from 09:14 on 3 February 2025 to 06:00 on 17 April 2026.
Nearest town: 19.1 miles from Holwell.

Location: northbound between the junctions with the A436 and the A46 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.98 miles from Holwell.

Location: northbound between the junctions with the A419 and the A436 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.86 miles from Holwell.

Location: southbound between the A436 and the junction with the A419 .
Due to: Roadworks scheme.
Period : from 17:01 on 2 July 2024 to 06:00 on 17 April 2026.
Nearest town: 17.97 miles from Holwell.

Location: northbound between the junctions with the A436 and the A46 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Nearest town: 19.1 miles from Holwell.

Location: southbound between the junctions with the A46 and the A436 .
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 April 2026.
Nearest town: 19.88 miles from Holwell.

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: 15.83 miles from Holwell.

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: 15.85 miles from Holwell.

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: 16.28 miles from Holwell.

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: 12.45 miles from Holwell.

Location: southbound between the A436 and the junction with the A419 .
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: 19.07 miles from Holwell.

Location: northbound between the A419 and the junction with the A436 .
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: 17.91 miles from Holwell.

Location: southbound between the A436 and the junction with the A419 .
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: 19.07 miles from Holwell.

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: 12.28 miles from Holwell.

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: 12.49 miles from Holwell.

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: 16.83 miles from Holwell.

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: 15.87 miles from Holwell.

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: 18.68 miles from Holwell.

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: 16.33 miles from Holwell.

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: 18.42 miles from Holwell.

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: 18.42 miles from Holwell.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 19:00 on 16 March 2026 to 06:00 on 25 April 2026.
Nearest town: 19.86 miles from Holwell.

Location: northbound between the junctions with the A436 and the A46 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 30 March 2026 to 4 April 2026.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 6 April 2026 to 11 April 2026.
Nearest town: 19.96 miles from Holwell.

Location: northbound between the junctions with the A436 and the A46 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 16 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 30 March 2026 to 4 April 2026.
Schedule : Expect disruption everyday between 19:00 and 06:00 from 6 April 2026 to 11 April 2026.
Nearest town: 19.86 miles from Holwell.

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: 16.58 miles from Holwell.

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: 15.87 miles from Holwell.

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: 15.88 miles from Holwell.

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: 17.15 miles from Holwell.

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: 17.26 miles from Holwell.

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: 18.81 miles from Holwell.

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: 19.98 miles from Holwell.

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: 19.99 miles from Holwell.

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: 17.7 miles from Holwell.

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: 16.65 miles from Holwell.

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: 18.01 miles from Holwell.

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: 17.85 miles from Holwell.

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: 17.41 miles from Holwell.

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: 18.76 miles from Holwell.

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: 19.91 miles from Holwell.

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: 17.7 miles from Holwell.

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: 13.13 miles from Holwell.

Location: southbound between the A46 and the junction with the A436 .
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: 19.98 miles from Holwell.

Location: northbound between the A436 and the junction with the A46 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:30 and 06:00 from 10 March 2026 to 14 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.1 miles from Holwell.
