M4 : Westbound : J45 Ynysforgan :

M4 : Westbound : J45 Ynysforgan : 13/05/26-14/05/26 1900-0100 : Offslip closed : Onslip closed :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 13/05/2026

End Date: 14/05/2026

First Published

11/05/2026 17:55

Reference Number

RNMDA_2026129338

Last Updated

11/05/2026 17:55

Source Agency

Welsh Government

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