M4 : Westbound : J45 Ynysforgan

M4 : Westbound : J45 Ynysforgan : Offslip closed : Onslip closed : 19/10/26-22/10/26 2000-0600 : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 19/10/2026

End Date: 22/10/2026

First Published

16/10/2026 11:50

Reference Number

RNMDA_2026132666

Last Updated

16/10/2026 11:50

Source Agency

Welsh Government

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