Mae Ken Skates, yr Ysgrifennydd Seilwaith wedi amlinelli eu  cynlluniau ar gyfer buddsoddiad mewn seilwaith gwerth biliynau o bunnoedd gan Lywodraeth Cymru dros y 5 mlynedd nesaf.
Ken Skates has set out plans for a modern, integrated transport network that delivers for communities right across Wales.