A formal planning application will also be submitted this week for a purpose-built, modern railway infrastructure, systems and rolling stock test and validation complex.
Caiff cais cynllunio ffurfiol ei gyflwyno’r wythnos hon ar gyfer adeiladu’r ganolfan fodern a phwrpasol ar gyfer profi a dilysu seilwaith, systemau a cherbydau rheilffyrdd.