Pa asesiad y mae'r Gweinidog wedi'i wneud o effaith y terfynau cyflymder newydd o 20mya ar amseroedd ymateb ambiwlans?
Wedi'i ateb gan Y Dirprwy Weinidog Newid Hinsawdd | Wedi'i ateb ar 16/06/2023
Police, fire and ambulance services are allowed to exceed speed limits during their emergency response duties, and this will not change when the default speed limit on restricted roads becomes 20mph.