M4 : Westbound : J46 Llangyfelach :

M4 : Westbound : J46 Llangyfelach : 25/06/25 1900-0000 : Cyclic maintenance : Onslip closed : Diversions in place :

Type of event: Roadworks

Severity of disruption: Road closure

Start Date: 25/06/2025

End Date: 25/06/2025

First Published

21/06/2025 08:21

Reference Number

RNMDA_2025121636

Last Updated

21/06/2025 08:21

Source Agency

Welsh Government

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