Saesneg: The M4 Motorway (Junction 37 (Pyle), Bridgend to Junction 38 (Margam), Neath Port Talbot) (Temporary Traffic Prohibitions & Restrictions) Order 2021

Cymraeg: Gorchymyn Traffordd yr M4 (Cyffordd 37 (Y Pîl), Pen-y-bont ar Ogwr i Gyffordd 38 (Margam), Castell-nedd Port Talbot) (Gwaharddiadau a Chyfyngiadau Traffig Dros Dro) 2021