Mae potensial i drydaneiddio weddnewid y system drafnidiaeth yn y De-ddwyrain. I fanteisio ar y cyfle, rwyf wedi comisiynu Mark Barry i wneud rhagor o waith i ddatblygu cysyniad y Metro.
Electrification brings significant potential to introduce transformational change to the transport system in South East Wales.  To capture this opportunity I have commissioned Mark Barry to carry out further work to develop the Metro concept.