Location: westbound exit slip at junction J15 (Swindon) .
Due to: Congestion.
Normal traffic conditions are expected between 17:45 and 18:00 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 9.17 miles from Calcutt.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lane one is closed.
Due to: Planned Roadworks.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 10.91 miles from Calcutt.

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: 7.22 miles from Calcutt.

Location: westbound between junctions J14 (Hungerford) and J15 (Swindon) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 June 2026 to 19 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.73 miles from Calcutt.

Location: eastbound between junctions J16 (Swindon) and J15 (Swindon) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.22 miles from Calcutt.

Location: eastbound entry slip at junction J16 (Swindon) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs 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: 6.24 miles from Calcutt.

Location: westbound between junctions J16 (Swindon) and J17 (Chippenham) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 09:00 on 18 June 2026 to 16:00 on 18 June 2026.
Nearest town: 6.34 miles from Calcutt.

Location: southbound between the junctions with the A417 and the A361 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 0.25 miles from Calcutt.

Location: eastbound between junctions J15 (Swindon) and J14 (Hungerford) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 June 2026 to 19 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.94 miles from Calcutt.
