In December 2021, the Deputy Minister for Climate Change, Lee Waters MS, requested an independent review of the annual maintenance programmes on the Strategic Road Network (SRN) in Wales.
Ym mis Rhagfyr 2021, gofynnodd y Dirprwy Weinidog Newid Hinsawdd, Lee Waters AS, am adolygiad annibynnol o'r rhaglenni cynnal a chadw blynyddol ar y Rhwydwaith Ffyrdd Strategol yng Nghymru.