Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : The hard shoulder is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 3 May 2025.
Nearest town: 16.41 miles from Gabalfa.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2025 to 06:00 on 21 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.58 miles from Gabalfa.

Location: northbound between junctions J21 (Weston super Mare) and J19 (Portishead) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2025 to 06:00 on 21 March 2025.
Nearest town: 16.58 miles from Gabalfa.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2025 to 06:00 on 21 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.79 miles from Gabalfa.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2025 to 06:00 on 21 March 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.71 miles from Gabalfa.

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.91 miles from Gabalfa.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lane three will be closed.
Due to: Litter clearance is planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.97 miles from Gabalfa.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 06:00 on 18 March 2025.
Nearest town: 16.63 miles from Gabalfa.

Location: northbound entry slip at junction J21 (Weston super Mare) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.55 miles from Gabalfa.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2025 to 06:00 on 18 March 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.63 miles from Gabalfa.

Location: northbound at junction J20 (Nailsea) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 17 March 2025 to 22 March 2025.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 24 March 2025 to 29 March 2025.
Schedule : From 20:00 on 31 March 2025 to 05:00 on 1 April 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.61 miles from Gabalfa.
