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M4 : Westbound : J46 Llangyfelach

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M4 : Westbound : J46 Llangyfelach : Roadworks : Roadworks : Entry slip road closed : and Exit slip road closed : Diversions in place : 15/10/26-16/10/26 2000-0600 :
Type of event: Roadworks
Severity of disruption: Road closure
Start Date: 15/10/2026
End Date: 16/10/2026

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First Published
09/10/2026 13:15
Reference Number
RNMDA_2026132485
Last Updated
09/10/2026 13:15
Source Agency
Welsh Government
Connect with Traffic Wales