Gwahoddir teithwyr a phartïon sydd â diddordeb ledled Cymru a’r Gororau i roi eu sylwadau ynghylch yr hyn y maent yn disgwyl ei weld gan y Gwasanaeth Rheilffordd nesaf, sef Gwasanaeth Rheilffordd Cymru a’r Gororau.
Passengers and interested parties across Wales and the Borders  are being invited to give their views on what they want from the next Wales and Borders Rail Service.