TMH and LocoTech-Signal to automate Kazan Metro network, Russia December 8, 2020 | Europe News Transmashholding (TMH) and LocoTech-Signal have announced plans to implement Grade of Automation GoA 4 on the Kazan Metro network. The testing is expected to commence at the end of 2022. The mo... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password