The A479 Trunk Road (Cwmdu, Tretower and Glanusk Park, Powys) (Restricted Road, 30 mph, 40 mph and 50 mph Speed Limits) Order 2023.
Gorchymyn Cefnffordd yr A479 (Cwm-du, Tretŵr a Pharc Glan-wysg, Powys) (Ffordd Gyfyngedig, Terfynau Cyflymder 30 mya, 40 mya a 50 mya) 2023.