"Mae'n bleser felly ein bod wedi gallu cael trafodaethau mor gadarnhaol ac adeiladol gydag undebau llafur y rheilffyrdd; rhywbeth dw i wedi bod yn awyddus i'w sicrhau o'r dechrau'n deg.
“I am therefore delighted that we have been able to have such positive and constructive discussions with the railway trade unions, something I have been keen to ensure from the offset.