Serch hynny, nid wyf am weld cymudwyr yn cael eu rhwystro rhag mynd i’w gwaith, ac mae’n amlwg y bod y methiant pŵer wedi amharu’n sylweddol ar bobl yn ardal Caerdydd ar 22 Mawrth.
Nevertheless, I would not want to see commuters unable to go about their business, and clearly there was major disruption to the network in the Cardiff area on Tuesday 22 March.