This Order comes into force on 7 June 2021 and will temporarily prohibit traffic on lengths of the M4 and A470 between Coryton and Cefn Coed, Merthyr Tydfil to undertake works.
Daw’r Gorchymyn hwn i rym ar 7 Mehefin 2021 a bydd yn gwahardd traffig dros dro ar ddarnau o’r M4 a’r A470 rhwng Coryton a Chefn Coed, Merthyr Tudful er mwyn gwneud gwaith.