M4 : Westbound : J47 Penllergaer to J48 Hendy :

M4 : Westbound : J47 Penllergaer to J48 Hendy : Road closed : Diversions in place : Carriageway maintenance : 21/07/25-25/07/25 2000-0600 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 21/07/2025

End Date: 25/07/2025

First Published

19/07/2025 13:51

Reference Number

RNMDA_2025122394

Last Updated

21/07/2025 20:00

Source Agency

Welsh Government

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