Heddiw, mae'r Senedd wedi cymeradwyo deddfwriaeth i ostwng y terfyn cyflymder cenedlaethol diofyn ar ffyrdd preswyl a strydoedd prysur i gerddwyr o 30mya i 20mya.
Legislation to lower the default national speed limit on residential roads and busy pedestrian streets from 30mph to 20mph has been approved by the Senedd today.