The recent report by the North of England electrification task force made clear that schemes to Chester needed to be considered as part of a wider scheme to north Wales.
Mae'r adroddiad diweddar gan dasglu trydaneiddio Gogledd Lloegr wedi gwneud yn glir bod angen ystyried cynlluniau i Gaer fel rhan o gynllun ehangach ar gyfer Gogledd Cymru.