"Mae pob prosiect trafnidiaeth yn anelu at gyflawni sawl nod - maent bob amser yn ffordd o hwyluso a galluogi pecyn ehangach o fentrau polisi drwy wella mynediad at farchnadoedd. Yn fwy na thebyg ni fyddai'r cynnydd sylweddol yn nifer y teithwyr ar drenau ar draws y De-ddwyrain wedi digwydd heb gyflwyno gwell gwasanaeth.
“No transport project is undertaken for its own sake – it is always a means to enabling and facilitating a wider package of policy initiatives through improving access to markets. The strong peak in rail passenger growth across South-East Wales would have been unlikely without the introduction of better service.