Mae'r A483 yn darparu un o'r prif lwybrau cysylltu rhwng Gogledd a De Cymru, yn ogystal â Lloegr, ac mae gwaith eisoes wedi cael ei wneud i ddangos y problemau sy'n effeithio ar y coridor a'r prif ffactorau sy'n cyfrannu at y problemau hynny.
The A483 provides one of the key connecting routes between North and South Wales as well as with England and work has already been carried out to outline the issues affecting the corridor and the main contributory factors.