PKP PLK S.A. to develop design documentation for North Mazovian Railway, Poland October 19, 2022 | Company News, Europe Company News, Europe News, News PKP Polskie Linie Kolejowe S.A. (PKP PLK S.A.) has signed an agreement with the Mayor of the City and with the Commune of Serock for the development of design documentation for the North Mazovian Rail... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password