The A470 trunk road (Coryton roundabout, Cardiff to Cefn Coed roundabout, Merthyr Tydfil) (temporary speed limits) Order 2023
Gorchymyn cefnffordd yr A470 (cylchfan Coryton, Caerdydd i gylchfan Cefn Coed, Merthyr Tudful) (terfynau cyflymder dros dro) 2025