Description: A470 : Southbound : Nantgarw to Taffs Well : Incident : Accident : Delays possible :, Start time: 24/07/2025 14:07 , Expected end time: 24/07/2025 16:07, Severity: Severe, Source: Welsh Government, Last updated: 24/07/2025 14:07
Nearest town: 9.5 miles from Cefn.

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 24/07/2025 15:39 , Expected end time: 24/07/2025 17:39, Severity: Moderate, Source: Welsh Government, Last updated: 24/07/2025 15:39
Nearest town: 12.06 miles from Cefn.

Description: A470 : Northbound : Nantgarw : Congestion : Delays possible :, Start time: 24/07/2025 14:24 , Expected end time: 24/07/2025 17:24, Severity: Moderate, Source: Welsh Government, Last updated: 24/07/2025 14:24
Nearest town: 9.38 miles from Cefn.

Description: A470 : Northbound : Pontypridd : Maintenance work : Road closed : Diversions in place : 24/07/25-25/07/25 2000-0600 :, Start time: 24/07/2025 20:00 , End Date: 25/07/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/07/2025 13:28
Nearest town: 11.51 miles from Cefn.

Description: A470 : Northbound : Pontypridd : Road closed : Maintenance work : Diversions in place : 24/07/25-25/07/25 2000-0600 :, Start time: 24/07/2025 20:00 , End Date: 25/07/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/07/2025 13:32
Nearest town: 11.51 miles from Cefn.

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Maintenance work : Road closed : Diversions in place : 21/07/25-26/07/25 2000-0600 :, Start time: 21/07/2025 20:00 , End Date: 26/07/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 21/07/2025 20:00
Nearest town: 12.06 miles from Cefn.

Location: southbound exit slip at junction J18 (Bristol) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 24 July 2025 to 06:00 on 25 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 17.25 miles from Cefn.

Location: westbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 24 July 2025 to 06:00 on 25 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.62 miles from Cefn.

Location: westbound.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 24 July 2025 to 06:00 on 25 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.85 miles from Cefn.

Location: eastbound.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 24 July 2025 to 06:00 on 25 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.83 miles from Cefn.

Location: southbound at junction J18 (Bristol) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.48 miles from Cefn.

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.75 miles from Cefn.

Location: southbound at junction J19 (Portishead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.7 miles from Cefn.

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.28 miles from Cefn.

Location: northbound at junction J19 (Portishead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.49 miles from Cefn.

Location: westbound between the M4 and junction J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 29 July 2025 to 05:00 on 30 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.74 miles from Cefn.

Location: southbound entry slip at junction J17 (Bristol West) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 29 July 2025 to 06:00 on 30 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 19.51 miles from Cefn.

Location: northbound between junctions J17 (Bristol West) and J16 (Thornbury) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 28 July 2025 to 1 August 2025.
Schedule : From 22:00 on 1 August 2025 to 06:00 on 2 August 2025.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.56 miles from Cefn.

Location: northbound between junctions J17 (Bristol West) and J16 (Thornbury) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 28 July 2025 to 06:00 on 2 August 2025.
Nearest town: 19.56 miles from Cefn.

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 24 July 2025 to 22 August 2025.
Schedule : Expect disruption everyday between 20:00 and 04:00 from 26 August 2025 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: 14.12 miles from Cefn.
