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A470 northbound exit slip road closure at Nantgarw, 21 Sep 2026

Cleared

This roadworks closure on the A470 has cleared. It started at 20:00 on Mon 21 Sep and cleared at 06:00 on Sat 3 Oct.

Last updated by Traffic Wales at 20:00 on Monday 21 September 2026.

Closure details and map

Status
Cleared
Closure type
Exit slip road closure
Category
Roadworks
Road
A470
Direction
Northbound
Location
Nantgarw
Working hours
20:00 to 06:00 overnight
Started
20:00 on Monday 21 September 2026
Cleared
06:00 on Saturday 3 October 2026
Details
Offslip, closed, diversions in place
Source
Traffic Wales
Last updated by the source
20:00 on Monday 21 September 2026

Map of the A470 northbound exit slip road closure at Nantgarw

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  • Cleared

Other A470 closures and crash records

4 other closures are in force on the A470 right now, and 1 more is planned in the next 7 days.

The A470 accident statistics from 1979 to 2025 record 10,382 collisions on the road, 290 of them fatal.

All A470 closures