Słupsk is the westernmost terminus of the Fast Urban Railway serving the Gdańsk conurbation.

The only well developed S-bahn like system in Poland is the Szybka Kolej Miejska - SKM (Fast Urban Railway) in the Gdansk Metropolitan Area.

Local services are provided by the 'Fast Urban Railway,' Szybka Kolej Miejska (Tricity) operating frequent trains covering the Tricity area including Gdańsk, Sopot and Gdynia.

It connects to the Szybka Kolej Miejska (Tricity) the 'Fast Urban Railway' which provides further connections by frequent trains every 6 minutes to 30 minutes to 27 stations throughout the Tricity.

The EN71 series are operated by Przewozy Regionalne (Regional Transport) and Szybka Kolej Miejska (Fast Urban Railway) in the Tricity, EN71-046 was used for 3 weeks by Szybka Kolej Miejska in Warsaw.