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M4 : Eastbound : J45 Ynysforgan to J44 Lon Las :

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  3. M4 : Eastbound : J45 Ynysforgan to J44 Lon Las :
M4 : Eastbound : J45 Ynysforgan to J44 Lon Las : Road closed : Diversions in place : Carriageway maintenance : 25/07/25-29/07/25 2000-0600 :
Type of event: Roadworks
Severity of disruption: Road closure
Start Date: 25/07/2025
End Date: 29/07/2025

Go to our Contact page to contact us about this traffic alert. Please quote the reference number below.

First Published
19/07/2025 13:49
Reference Number
RNMDA_2025122392
Last Updated
19/07/2025 13:49
Source Agency
Welsh Government
Connect with Traffic Wales