1982 – March – Sheldon – Communications Aspects of Metrol

R Sheldon SMIREE Communication Section, VicRail The Melbourne Metropolitan Train Control Centre (METROL) has been established to co-ordinate all signalling and communications for the city loop and the suburban network.  The author outlines the design philosophy for the communication system and describes the various sub--systems involved, including the post phone system and the train control telehone system.  Emergency services and Maintenance facilities are discussed and the paper concludes by foreshadowing future developments.