Mariyung intercity trains to commence service on Blue Mountains Line, Australia September 30, 2025 | Asia Pacific News, News Transport for New South Wales (TfNSW) has confirmed that the new Mariyung intercity trains will begin operations on the Blue Mountains Line from October 2025, replacing the ageing V-set fleet and intr... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password