It introduces a 40mph and part-time 20mph speed limit on lengths of the A44 trunk road between Capel Bangor and Blaengeuffordd.
Mae’n cyflwyno terfyn cyflymder 40mya a therfyn cyflymder 20mya rhan-amser ar ddarnau o gefnffordd yr A44 rhwng Capel Bangor a Blaengeuffordd.