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M4 : Westbound : J33 Capel Llanilltern to J34 Miskin :

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  3. M4 : Westbound : J33 Capel Llanilltern to J34 Miskin :
M4 : Westbound : J33 Capel Llanilltern to J34 Miskin : Resurfacing work : Road closed : Diversions in place : 23/03/26-25/03/26 2000-0600 :
Type of event: Roadworks
Severity of disruption: Road closure
Start Date: 23/03/2026
End Date: 25/03/2026

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First Published
22/03/2026 11:48
Reference Number
RNMDA_2026128185
Last Updated
22/03/2026 11:48
Source Agency
Welsh Government
Connect with Traffic Wales