Pa gamau mae Llywodraeth Cymru yn eu cymryd i warchod rhag dirywiad ffyrdd, pontydd ac isadeiledd critigol eraill?
Wedi'i ateb gan Y Dirprwy Weinidog Newid Hinsawdd | Wedi'i ateb ar 14/12/2022
The Welsh Government strategic roads infrastructure is subject to regular inspections and maintenance is prioritised annually in accordance with UK standards and best practice.