Every council in Wales was asked to collect residents’ feedback on 20mph limits so that we could assess this against revised Welsh Government guidance on setting speed limits.
​Gofynnwyd i bob cyngor yng Nghymru gasglu adborth trigolion gyda'r bwriad o asesu hyn yn erbyn canllawiau diwygiedig Llywodraeth Cymru ar osod terfynau cyflymder.