 In 1952 SKM arrived in Sopot and a year later, on 22 July 1953 it was extended to Gdynia (one track).On 1 May 1954 the second track was opened.Identical or similar stations were built in Gdańsk-Wrzeszcz, Gdańsk Oliwa, Gdynia Chylonia, Reda, Wejherowo and probably in Lębork.