PK Transportnye Systemy to supply trams for Rostov Tramway, Russia August 15, 2016 | Europe Company News Russia-based PK Transportnye Systemy has been selected to supply 16 trams for the city of Rostov-na-Donu in Russia. The single-section, low-floor 71-911E City Star trams will be 16.5 metres long and h... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password