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A470 southbound exit slip road closure from Upper Boat to Nantgarw, 5 Oct 2026

Planned

This roadworks closure on the A470 is planned to start at 19:00 on Mon 5 Oct and expected to clear at 03:00 on Tue 6 Oct.

Last updated by Traffic Wales at 13:49 on Saturday 3 October 2026.

Closure details and map

Status
Planned
Closure type
Exit slip road closure
Category
Cyclic Maintenance
Road
A470
Direction
Southbound
Location
Upper Boat to Nantgarw
Working hours
19:00 to 03:00 overnight
Planned start
19:00 on Monday 5 October 2026
Expected to clear
03:00 on Tuesday 6 October 2026
Details
Cyclic maintenance, offslip closed, 1 lane closed, diversions in place
Source
Traffic Wales
Last updated by the source
13:49 on Saturday 3 October 2026

Map of the A470 southbound exit slip road closure from Upper Boat to Nantgarw

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  • Planned

Other A470 closures and crash records

4 other closures are in force on the A470 right now, and none are 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