A fydd beicwyr yn cael dirwy am oryrru os byddant yn mynd y tu hwnt i'r terfyn cyflymder o 20mya, ac a fyddant yn destun mesurau codi ymwybyddiaeth?
Cyclists can be prosecuted for riding a bicycle recklessly and dangerously, but speed limits listed in the Road Traffic Regulation Act 1984 and Rule 124 of the Highway Code relate to motor vehicles and not bicycles.
A comprehensive national communications and behaviour change campaign is underway to prepare for the implementation of the default 20mph speed-limit. This is being delivered through a range of communications channels, including social media, out of home advertising, and direct mail, so that we reach the widest possible range of audiences ahead of the change.