This Order comes into force on 29 October 2021 and introduces a part-time 20mph speed limit on a length of the A494 trunk road at Llanuwchllyn, Gwynedd.
Daw’r Gorchymyn hwn i rym ar 29 Hydref 2021 ac mae’n cyflwyno terfyn cyflymder o 20 mya rhan-amser ar ddarn o gefnffordd yr A494 yn Llanuwchllyn, Gwynedd.