The Welsh Government will also require details of any other planning issues affecting, or likely to affect, the project and the associated traffic flows.
Bydd angen hefyd i Lywodraeth Cymru gael manylion unrhyw faterion cynllunio eraill sy'n effeithio, neu sy'n debygol o effeithio, ar y prosiect a'r llifau traffig cysylltiedig.