All the new 20 mph speed limits will be made by way of new Traffic Orders and those affected will be consulted using the statutory processes.
Gwneir yr holl derfynau cyflymder 20 mya newydd trwy Orchmynion Traffig newydd ac ymgynghorir â'r rhai yr effeithir arnynt gan ddefnyddio'r prosesau statudol.