Saesneg: The M4 Motorway (Junction 34 (Miskin), Rhondda Cynon Taf to Junction 36 (Sarn), Bridgend) (Temporary 40 mph & 50 mph Speed Limits) Order 2021

Cymraeg: Gorchymyn Traffordd yr M4 (Cyffordd 34 (Meisgyn), Rhondda Cynon Taf i Gyffordd 36 (Sarn), Pen-y-bont ar Ogwr) (Terfynau Cyflymder 40 mya a 50 mya Dros Dro) 2021