Bydd yn ategu gwaith arall sydd eisoes wedi'i wneud neu sydd ar y gweill i sicrhau mwy o fanteision o'r tir sy'n gysylltiedig â'r rhwydwaith cefnffyrdd a thraffyrdd, gan gyflwyno ystod o fanteision economaidd, amgylcheddol, cymdeithasol a diwylliannol."
“It will build upon and complement other work already completed or underway to improve the benefits provided by the land associated with the trunk road and motorway network, delivering a range of economic, environmental, social and cultural benefits."