Mae Gweinidog yr Economi, Trafnidiaeth a Gogledd Cymru wedi ysgrifennu at yr Ysgrifennydd Gwladol dros Drafnidiaeth, gan amlinellu dadl gref dros adeiladu pedair gorsaf trenau newydd yng Nghymru
The Minister for Economy, Transport and North Wales Ken Skates has written to the Secretary of State for Transport, setting out a strong argument to build four new railway stations across Wales