Details of these transactions are presented here to aid transparency of this large public sector transaction, with agreement of the buyer (Transport for Wales) and seller (Network Rail).
Cyflwynir manylion y trafodiadau hyn yma er mwyn sicrhau tryloywder y trafodiad sector cyhoeddus mawr hwn, gyda chytundeb y prynwr (Trafnidiaeth Cymru) a'r gwerthwr (Network Rail).