"Byddai'r cynllun wedi arwain at fanteision mawr o ran amserau teithio, dibynadwyedd, effeithlonrwydd ac allyriadau, gan hybu twf economaidd ar draws De Cymru. Roedd yn destun siom aruthrol fod Llywodraeth y DU wedi cyhoeddi − a hynny drwy’r wasg a heb unrhyw rybudd ymlaen llaw − fod y cynllun hwn yn cael ei ganslo.
“The scheme would have delivered important journey time, reliability, efficiency and emissions benefits, promoting economic growth across South Wales. For the UK Government to announce the cancellation of this scheme at this stage and through the press, with no prior warning, was hugely disappointing.