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M4 : Eastbound : J44 Lon Las to J43 Llandarcy :

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  3. M4 : Eastbound : J44 Lon Las to J43 Llandarcy :
M4 : Eastbound : J44 Lon Las to J43 Llandarcy : 14/04/26-15/04/26 2000-0600 : Carriageway maintenance : Entry slip road closed : Diversions in place :
Type of event: Roadworks
Severity of disruption: Road closure
Start Date: 14/04/2026
End Date: 15/04/2026

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

First Published
11/04/2026 08:27
Reference Number
RNMDA_2026128628
Last Updated
11/04/2026 08:27
Source Agency
Welsh Government
Connect with Traffic Wales