Vityaz-M tram begins test runs on Volgograd’s Metrotram; rolling stock contract yet to be awarded July 27, 2016 | Europe News Russia-based PK Transpornye Systemy’s Vityaz-M tram has begun test runs on Volgograd’s Metrotram light-rail system. The new three-section tram is 27.5 metres long and has capacity for 260 ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password