Description: A470 : Eastbound : Pontypridd to Abercynon : Road closed : 02/02/26-20/02/26 2000-0600 : Diversions in place :, Start time: 02/02/2026 20:00 , End Date: 20/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 02/02/2026 20:00
Nearest town: 6.62 miles from Bwlch y cwm.

Location: northbound exit slip at junction J20 (Nailsea) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 10 February 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.8 miles from Bwlch y cwm.

Location: southbound between junctions J20 (Nailsea) and J21 (Weston super Mare) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 14 February 2026 to 06:00 on 15 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.14 miles from Bwlch y cwm.

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 14 February 2026 to 06:00 on 15 February 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.47 miles from Bwlch y cwm.

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 10 February 2026 to 13 February 2026.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 16 February 2026 to 20 February 2026.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 23 February 2026 to 27 February 2026.
Schedule : Expect disruption everyday between 09:00 and 15:00 from 2 March 2026 to 5 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 19 miles from Bwlch y cwm.

Location: southbound exit slip at junction J21 (Weston super Mare) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 10 February 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 19.47 miles from Bwlch y cwm.

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 04:00 from 10 February 2026 to 28 March 2026.
Schedule : From 20:00 on 28 March 2026 to 04:00 on 29 March 2026.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 29 March 2026 to 1 April 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.84 miles from Bwlch y cwm.
