A wnaiff y Gweinidog Cabinet ddarparu'r rhesymeg y tu ôl i gau lôn ar yr A465 tua'r gorllewin rhwng Clydach a Brynmawr?
Wedi'i ateb gan Dirprwy Weinidog dros Drafnidiaeth | Wedi'i ateb ar 22/07/2026
A routine inspection of the Clydach Gorge Viaduct identified a structural defect, so we introduced a lane closure on the westbound A465 to protect the safety of the travelling public. Repair works are progressing, and we will remove the restriction once they are complete.