The Order is necessary to decrease the speed limit from 60 mph to 50 mph along the Wye Bridge in Chepstow in the interests of road safety.
Mae angen y Gorchymyn er mwyn gostwng y terfyn cyflymder o 60 mya i 50 mya ar hyd y Bont ar Wy yng Nghas-gwent am resymau diogelwch ar y ffordd.