PKP PLK signs six contracts under Kolej Plus in Silesia programme, Poland December 12, 2022 | Europe News, News PKP Polskie Linie Kolejowe (PKP PLK) has signed six contracts with the presidents and mayors of the cities of Byto, Dąbrowa Górnicza, Katowice, Mikołów, Pyskowice, and Ruda Śląska under the Kolej Plus... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password