Mae pedwar cynigydd wedi’u dewis i fynd ymlaen i’r cam nesaf yn y broses gaffael i redeg y gwasanaethau rheilffyrdd yng Nghymru a’r Gororau o fis Hydref 2018 yn ogystal â chynnal agweddau pwysig ar gam nesa’r Metro.
Four bidders have been selected to progress to the next stage in the procurement process to operate rail services in Wales and the Borders from October 2018 as well take forward key aspects of the next stage of Metro.