M4 : Westbound : J44 Lon Las :

M4 : Westbound : J44 Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 22/01/2026

End Date: 31/01/2026

First Published

16/01/2026 12:16

Reference Number

RNMDA_2026126641

Last Updated

16/01/2026 12:16

Source Agency

Welsh Government

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