M4 : Eastbound : J47 Penllergaer :

M4 : Eastbound : J47 Penllergaer : Onslip closed : 17/03/26 1930-0000 :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 17/03/2026

End Date: 17/03/2026

First Published

14/03/2026 08:46

Reference Number

RNMDA_2026128033

Last Updated

14/03/2026 08:46

Source Agency

Welsh Government

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