Hitachi Rail and HyperloopTT complete proof of concept for cloud-based ERTMS signalling system June 27, 2022 | Company News, Europe News, News, North America Company News Hitachi Rail and Hyperloop Transportation Technologies (HTT, HyperloopTT) have completed the proof of concept for a cloud-based European Rail Traffic Management System (ERTMS) signalling system for Hy... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password