It will allow a truly regional approach to the planning of transport that links into wider plans for economic development, housing and regeneration and improving the environment.
Bydd yn sicrhau dull rhanbarthol o gynllunio trafnidiaeth sy’n gysylltiedig â chynlluniau ehangach ar gyfer datblygu economaidd, tai ac adfywio a gwella’r amgylchedd.