Mae gwaith sylweddol eisoes yn cael ei wneud ar Fetro De Cymru i uwchraddio'r rhwydwaith rheilffyrdd, hybiau trafnidiaeth gyhoeddus, a llwybrau teithio llesol y mae llawer o bobl eisoes yn elwa ohonynt.
A significant amount of work is already being undertaken on the South Wales Metro to upgrade the rail network, public transport hubs, and active travel routes which many people are already benefitting from.