Preferred bidder selected for supply of trams in Poland January 24, 2012 | Europe Company News The public transport operator in Olsztyn, Miejskie Przedsiębiorstwo Komunikacyjne w Olsztynie (MPK Olsztyn) has selected a consortium of Poland-based rolling stock companies, Newag and Modertrans, as ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password