Crash View

Road closure archive

Search previously cleared incidents, planned works and cancelled closures. Use precise date ranges or focus on a particular corridor to understand how the network has been disrupted recently.

Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment
Planning history
EPC ratings & more
Get a property report

222 archived incidents found

Filters applied: Region: neath-port-talbot • Status: Cleared

M4 : Westbound : J40 Taibach : Roadworks : Entry slip road closed : Diversions in place : 07/07/26 2000-0600 :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 16 hours 19 minutes ago

Started Start time TBC Ended 7 Jul 2026, 05:05

Description: M4 : Westbound : J40 Taibach : Roadworks : Entry slip road closed : Diversions in place : 07/07/26 2000-0600 :, Start time: 07/07/2026 20:00 , End Date: 07/07/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/07/2026 18:44

View update

M4 : Westbound : J38 Margam to J42 Earlswood : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 4 days 3 hours ago

Started Start time TBC Ended 3 Jul 2026, 18:10

Description: M4 : Westbound : J38 Margam to J42 Earlswood : Congestion : Delays possible :, Start time: 03/07/2026 15:03 , Expected end time: 03/07/2026 19:03, Severity: Moderate, Source: Welsh Government, Last updated: 03/07/2026 15:03

View update

A465 : Now clear : Westbound : Neath to Llandarcy

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 4 days 3 hours ago

Started Start time TBC Ended 3 Jul 2026, 17:45

Description: A465 : Now clear : Westbound : Neath to Llandarcy, Start time: 03/07/2026 18:29 , Expected end time: 03/07/2026 17:50, Severity: Moderate, Source: Welsh Government, Last updated: 03/07/2026 18:29

View update

A465 : Eastbound : Glynneath : Resurfacing work : Entry slip road closed : Diversions in place : 02/07/26 1900-2330 :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 4 days 22 hours ago

Started Start time TBC Ended 2 Jul 2026, 22:35

Description: A465 : Eastbound : Glynneath : Resurfacing work : Entry slip road closed : Diversions in place : 02/07/26 1900-2330 :, Start time: 02/07/2026 19:00 , End Date: 02/07/2026 23:30, Severity: Road closure, Source: Welsh Government, Last updated: 02/07/2026 19:00

View update

A465 : Now clear : Westbound : Neath to Llandarcy

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 5 days 11 hours ago

Started Start time TBC Ended 2 Jul 2026, 09:35

Description: A465 : Now clear : Westbound : Neath to Llandarcy, Start time: 02/07/2026 10:15 , Expected end time: 02/07/2026 10:16, Severity: Moderate, Source: Welsh Government, Last updated: 02/07/2026 10:15

View update

M4 : Now clear : Westbound : J42 Earlswood to J43 Llandarcy

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 6 days 2 hours ago

Started Start time TBC Ended 1 Jul 2026, 18:30

Description: M4 : Now clear : Westbound : J42 Earlswood to J43 Llandarcy, Start time: 01/07/2026 19:10 , Expected end time: 01/07/2026 18:08, Severity: Moderate, Source: Welsh Government, Last updated: 01/07/2026 19:10

View update

M4 : Westbound : J37 Pyle to J39 Groes : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 6 days 12 hours ago

Started Start time TBC Ended 1 Jul 2026, 08:50

Description: M4 : Westbound : J37 Pyle to J39 Groes : Congestion : Delays possible :, Start time: 01/07/2026 7:44 , Expected end time: 01/07/2026 10:43, Severity: Moderate, Source: Welsh Government, Last updated: 01/07/2026 7:44

View update

M4 : Eastbound : J38 Margam : Emergency works : Lane closed : Delays possible

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 6 days 17 hours ago

Started Start time TBC Ended 1 Jul 2026, 04:05

Description: M4 : Eastbound : J38 Margam : Emergency works : Lane closed : Delays possible, Start time: 30/06/2026 5:00 , End Date: 01/07/2026 5:00, Severity: Moderate, Source: Welsh Government, Last updated: 30/06/2026 6:35

View update

M4 : Eastbound : J43 Llandarcy : Cyclic maintenance : Entry slip road closed : Exit slip road closed : Diversions in place : 30/06/26-01/07/26 1930-0100 :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 6 days 21 hours ago

Started Start time TBC Ended 1 Jul 2026, 00:05

Description: M4 : Eastbound : J43 Llandarcy : Cyclic maintenance : Entry slip road closed : Exit slip road closed : Diversions in place : 30/06/26-01/07/26 1930-0100 :, Start time: 30/06/2026 19:30 , End Date: 01/07/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/06/2026 19:30

View update

M4 : Westbound : J42 Earlswood to J43 Llandarcy : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 1 week 1 hour ago

Started Start time TBC Ended 30 Jun 2026, 20:15

Description: M4 : Westbound : J42 Earlswood to J43 Llandarcy : Congestion : Delays possible :, Start time: 30/06/2026 17:08 , Expected end time: 30/06/2026 21:08, Severity: Moderate, Source: Welsh Government, Last updated: 30/06/2026 17:08

View update

M4 : Westbound : J42 Earlswood : Offslip closed : 26/06/26-27/06/26 1930-0400 : Diversions in place :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 1 week 3 days ago

Started Start time TBC Ended 27 Jun 2026, 03:05

Description: M4 : Westbound : J42 Earlswood : Offslip closed : 26/06/26-27/06/26 1930-0400 : Diversions in place :, Start time: 26/06/2026 19:30 , End Date: 27/06/2026 4:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/06/2026 19:30

View update

M4 : Westbound : J40 Taibach to J43 Llandarcy : Congestion : Accident earlier : Delays possible :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 1 week 4 days ago

Started Start time TBC Ended 26 Jun 2026, 15:05

Description: M4 : Westbound : J40 Taibach to J43 Llandarcy : Congestion : Accident earlier : Delays possible :, Start time: 26/06/2026 11:57 , Expected end time: 26/06/2026 15:56, Severity: Moderate, Source: Welsh Government, Last updated: 26/06/2026 11:57

View update

A465 : Westbound : Llanfoist : Road closed : 24/06/26-26/06/26 2000-0600 : Diversions in place :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 1 week 4 days ago

Started Start time TBC Ended 26 Jun 2026, 05:05

Description: A465 : Westbound : Llanfoist : Road closed : 24/06/26-26/06/26 2000-0600 : Diversions in place :, Start time: 24/06/2026 20:00 , End Date: 26/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/06/2026 20:00

View update

A465 : Now clear : Westbound : Neath to Llandarcy

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 1 week 5 days ago

Started Start time TBC Ended 25 Jun 2026, 07:35

Description: A465 : Now clear : Westbound : Neath to Llandarcy, Start time: 25/06/2026 8:21 , Expected end time: 25/06/2026 8:26, Severity: Moderate, Source: Welsh Government, Last updated: 25/06/2026 8:21

View update

M4 : Westbound : J43 Llandarcy : Incident : Accident : Closed :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 weeks 1 day ago

Started Start time TBC Ended 22 Jun 2026, 18:45

Description: M4 : Westbound : J43 Llandarcy : Incident : Accident : Closed :, Start time: 22/06/2026 17:19 , Expected end time: 22/06/2026 22:19, Severity: Road closure, Source: Welsh Government, Last updated: 22/06/2026 17:19

View update

M4 : Westbound : J42 Earlswood to J43 Llandarcy : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 weeks 1 day ago

Started Start time TBC Ended 22 Jun 2026, 18:45

Description: M4 : Westbound : J42 Earlswood to J43 Llandarcy : Congestion : Delays possible :, Start time: 22/06/2026 16:47 , Expected end time: 22/06/2026 19:47, Severity: Moderate, Source: Welsh Government, Last updated: 22/06/2026 16:47

View update

M4 : Westbound : J43 Llandarcy to J44 Lon Las : Incident : Accident : Lane closed : Delays

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 weeks 1 day ago

Started Start time TBC Ended 22 Jun 2026, 17:35

Description: M4 : Westbound : J43 Llandarcy to J44 Lon Las : Incident : Accident : Lane closed : Delays, Start time: 22/06/2026 16:57 , Expected end time: 22/06/2026 20:57, Severity: Severe, Source: Welsh Government, Last updated: 22/06/2026 16:57

View update

M4 : Now clear : Westbound : J41 Pentyla/Baglan to J45 Ynysforgan

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 weeks 4 days ago

Started Start time TBC Ended 19 Jun 2026, 20:40

Description: M4 : Now clear : Westbound : J41 Pentyla/Baglan to J45 Ynysforgan, Start time: 19/06/2026 21:20 , Expected end time: 19/06/2026 20:15, Severity: Moderate, Source: Welsh Government, Last updated: 19/06/2026 21:20

View update

M4 : Westbound : J39 Groes : 18/06/26-19/06/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 weeks 4 days ago

Started Start time TBC Ended 19 Jun 2026, 05:05

Description: M4 : Westbound : J39 Groes : 18/06/26-19/06/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :, Start time: 18/06/2026 20:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/06/2026 20:00

View update

M4 : Westbound : J42 Earlswood : 17/06/26-18/06/26 2000-0600 : Maintenance work : Exit slip road closed : Diversions in place :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 weeks 5 days ago

Started Start time TBC Ended 18 Jun 2026, 05:05

Description: M4 : Westbound : J42 Earlswood : 17/06/26-18/06/26 2000-0600 : Maintenance work : Exit slip road closed : Diversions in place :, Start time: 17/06/2026 20:00 , End Date: 18/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/06/2026 20:00

View update

M4 : Westbound : J41 Pentyla/Baglan : 17/06/26-18/06/26 2000-0600 : Cyclic maintenance : Exit slip road closed : Diversions in place :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 weeks 5 days ago

Started Start time TBC Ended 18 Jun 2026, 05:05

Description: M4 : Westbound : J41 Pentyla/Baglan : 17/06/26-18/06/26 2000-0600 : Cyclic maintenance : Exit slip road closed : Diversions in place :, Start time: 17/06/2026 20:00 , End Date: 18/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/06/2026 20:00

View update

M4 : Eastbound : J38 Margam : 17/06/26-18/06/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 weeks 5 days ago

Started Start time TBC Ended 18 Jun 2026, 05:05

Description: M4 : Eastbound : J38 Margam : 17/06/26-18/06/26 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :, Start time: 17/06/2026 20:00 , End Date: 18/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/06/2026 20:00

View update

A465 : Now clear : Westbound : Neath to Llandarcy

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 2 weeks 6 days ago

Started Start time TBC Ended 17 Jun 2026, 10:05

Description: A465 : Now clear : Westbound : Neath to Llandarcy, Start time: 17/06/2026 10:45 , Expected end time: 17/06/2026 9:41, Severity: Moderate, Source: Welsh Government, Last updated: 17/06/2026 10:45

View update

A465 : Now clear : Westbound : Neath to Llandarcy

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 3 weeks 2 hours ago

Started Start time TBC Ended 16 Jun 2026, 18:30

Description: A465 : Now clear : Westbound : Neath to Llandarcy, Start time: 16/06/2026 19:10 , Expected end time: 16/06/2026 18:09, Severity: Moderate, Source: Welsh Government, Last updated: 16/06/2026 19:10

View update

A465 : Now clear : Westbound : Neath to Llandarcy

Cleared Roadworks Traffic Wales
Neath Port Talbot

Cleared 3 weeks 11 hours ago

Started Start time TBC Ended 16 Jun 2026, 09:25

Description: A465 : Now clear : Westbound : Neath to Llandarcy, Start time: 16/06/2026 10:05 , Expected end time: 16/06/2026 9:02, Severity: Moderate, Source: Welsh Government, Last updated: 16/06/2026 10:05

View update

Looking for live updates?

Return to the live incident feed for in-progress closures, or combine archive trends with CrashView reports to brief stakeholders.

View live incidents Explore reports