M4 : Westbound : J37 Pyle to J39 Groes : 08/12/25-13/12/25 2000-0600 : Roadworks : Closed : Diversions in place :
Posted: Sat Dec 06, 2025 4:57 pm
Description: M4 : Westbound : J37 Pyle to J39 Groes : 08/12/25-13/12/25 2000-0600 : Roadworks : Closed : Diversions in place :, Start time: 08/12/2025 20:00 , End Date: 13/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 06/12/2025 16:57
Source: https://traffic.wales/road-traffic-alerts/587966
Source: https://traffic.wales/road-traffic-alerts/587966