A wnaiff y Gweinidog ddiffinio'r hyn y byddai'n ei ystyried fel dewis olaf a fyddai'n arwain at Lywodraeth Cymru yn defnyddio pwerau codi tâl ar ddefnyddwyr ffyrdd?
There are no plans to introduce road user charging on the strategic road network in Wales.
Last resort means that we would only consider using these powers if other mitigations proved ineffective. Depending on the location such mitigations may include, for example, reduced speed limits, variable diversions, junction closures, or ramp metering to better regulate traffic flows.
There are no sites where we currently have evidence that charging would be an effective measure to support compliance with statutory air pollution limits and reductions in population exposure.