As with responses to the earlier question on the need to reduce speed limits on restricted roads, marked differences of opinion were evident among different age groups.
Yn yr un modd â’r ymatebion i’r cwestiwn blaenorol am yr angen am ostwng terfynau cyflymder ar ffyrdd cyfyngedig, roedd gwahaniaeth barn amlwg rhwng gwahanol grwpiau oedran.