Ymhellach i WQ96441, a wnaiff yr Ysgrifennydd Cabinet amlinellu cost ddisgwyliedig atgyweirio'r rhwystrau diffygiol ar yr M48?
Wedi'i ateb gan Ysgrifennydd y Cabinet dros Drafnidiaeth a Gogledd Cymru
| Wedi'i ateb ar 06/06/2025
The replacement work is currently being designed. Once this is complete I will be able to provide an estimated cost.