Pa newidiadau sydd wedi'u gwneud i'r amodau eithrio sy'n caniatáu i awdurdodau lleol newid terfynau cyflymder o 20mya yn ôl i 30mya?
Wedi'i ateb gan Y Gweinidog Newid Hinsawdd | Wedi'i ateb ar 08/12/2023
No changes have been made to the exceptions criteria or accompanying guidance following the change to the default speed limit on local roads. This is in line with feedback from local highway authorities, as set out in the Written Statement published on 25 October.