Hospital Road in Pontnewynydd is expected to remain shut until at least Friday, and possibly into the weekend as officers continue their enquiries. Hospital Road could remain closed until at least Friday. (Image: AA Route Planner)"To help ease congestion, Wales & West Utilities began backfilling the trenches this afternoon on one side of the road on Park Road / Penygarn Hill. "We expect the one side of the road to be filled, resurfaced and open on to traffic on Wednesday evening with temporary traffic lights. "Wales and West Utilities have allocated additional resources to undertake this work and will be working extended hours tomorrow evening and throughout Wednesday.