The Welsh Ministers are considering implementing a project for the construction of a new section of M4 motorway to the south of Newport to include online and off line works and side road improvements.
Mae Gweinidogion Cymru yn ystyried rhoi prosiect ar waith i adeiladu adran newydd o draffordd yr M4 i’r de o Gasnewydd, gan gynnwys gwaith ar-lein ac all-lein a gwelliannau i’r ffyrdd ymyl.