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A470 : Northbound : Glyntaff Interchange to Abercynon :

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  3. A470 : Northbound : Glyntaff Interchange to Abercynon :
A470 : Northbound : Glyntaff Interchange to Abercynon : Carriageway maintenance : Road closed : Diversions in place : 18/05/26-19/05/26 2000-0600 :
Type of event: Roadworks
Severity of disruption: Road closure
Start Date: 18/05/2026
End Date: 19/05/2026

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

First Published
17/05/2026 06:58
Reference Number
RNMDA_2026129451
Last Updated
17/05/2026 06:58
Source Agency
Welsh Government
Connect with Traffic Wales