Siemens and Newag to provide trains for Sofia Metro Line 3 September 30, 2015 | Europe News Sofia Metropoliten has signed a contract with a consortium comprising France-based Siemens and Poland-based Newag to supply 20 three-car air-conditioned Inspiro train sets for the planned metro Line 3... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password