Faint o linellau trên newydd sydd wedi'u gosod yng ngogledd Cymru yn y flwyddyn 2022-2023?
Wedi'i ateb gan Ysgrifennydd y Cabinet dros Ogledd Cymru a Thrafnidiaeth
| Wedi'i ateb ar 19/06/2024
Responsibility for rail lines and other rail infrastructure remains with the UK Government. In 2022-23 no new rail lines were installed in North Wales.