Byddai'r gwelliannau yn ehangu mynediad i gyflogaeth ar draws Gogledd Cymru, Swydd Gaer a Lerpwl drwy wella gwasanaethau a chysylltiadau rheilffyrdd rhwng y Gogledd a meysydd awyr Manceinion a Lerpwl.
The interventions would widen access to employment across North Wales, Cheshire and Liverpool by improving rail services and enhancing rail connectivity from North Wales to international gateways at Manchester and Liverpool airports.