The A465 Heads of the Valleys Road will be closed at night between 8:30pm and 6:00am from Monday, September 25 through to Friday 29.

Contractors, Costain state the closures are required for finishing works to the north side of the Gateway Bridge deck following the weekend closure. Other works include the demolition of the old footbridge at Gilwern and to begin the removal of the rock protection skips along the Clydach Gorge.