A wnaiff y Gweinidog amlinellu pa asesiadau sydd wedi'u gwneud o fanteision economaidd posibl traffordd sy'n cysylltu'r gogledd a'r de?
Wedi'i ateb gan Y Dirprwy Weinidog Newid Hinsawdd | Wedi'i ateb ar 21/07/2022
A motorway connecting north to south Wales does not form part of the National Transport Plan nor would it comply with the stated objectives of Llywbr Newydd to encourage mode shift to more sustainable forms of transport. No assessments have been undertaken.