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M4 : Westbound : J45 Ynysforgan to J46 Llangyfelach :

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  3. M4 : Westbound : J45 Ynysforgan to J46 Llangyfelach :
M4 : Westbound : J45 Ynysforgan to J46 Llangyfelach : Structural inspections : Road closed : Diversions in place : 11/08/25-13/08/25 2000-0600 :
Type of event: Roadworks
Severity of disruption: Road closure
Start Date: 11/08/2025
End Date: 13/08/2025

Go to our Contact page to contact us about this traffic alert. Please quote the reference number below.

First Published
08/08/2025 14:17
Reference Number
RNMDA_2025122820
Last Updated
08/08/2025 14:17
Source Agency
Welsh Government
Connect with Traffic Wales