Wrth fanteisio ar y cyfle i ddysgu gwersi ynghylch sut y mae Manceinion wedi datblygu eu system ac ar weithredu a gwella rhwydweithiau metro rhanbarthol yn barhaus, dywedodd Ken Skates yr Ysgrifennydd Trafnidiaeth:
Taking the opportunity to learn lessons on how Manchester has developed and grown their system and for operating and continuously improving regional metro networks, Transport Secretary Ken Skates said: