We apologise for the late notice but the western side of the Glanbaiden roundabout will be closed until 06:00am Thursday 20th October to support essential drainage work in the main carriageway. The closure is signposted and the diversion is via the A465 westbound on-slip towards a temporary roundabout (approx. 900m), before returning to Glanbaiden roundabout along the eastbound carriageway of the A465. (Please see diagram below) We regret any inconvenience caused.

A465 contractor Costain has apologies to motorists for the late decision to close the western side of the Glanbaiden roundabout until 6am on Thursday morning to support essential drainage work in the main carriageway.

“The closure is signposted and the diversion is via the A465 westbound on-slip towards a temporary roundabout (approx. 900m), before returning to Glanbaiden roundabout along the eastbound carriageway of the A465.We regret any inconvenience caused,” said a Costain spokesman.