Most Slovenian railway lines were built during the Austro-Hungarian Empire.
Overview gauge Ljubljana tram system; , 1901-1958
gauge Poljčane - Zreče; , closed. Piran tram system; 750 V DC electrified tram, 1907-1952 Parenzana railway; Triest - Škofije - Sečovlje border - Poreč, , 1902-1935.
gauge Kobarid - Pojana border - Cividale del Friuli, , Società Veneta 1915-1932
gauge Postojna Cave railway in Postojna; double track, opened in 1872.
gauge Brestanica to the north; , closed construction railway.
See also List of steam locomotives in Slovenia Ljubljana Castle funicular, , opened in 2006. Slovenian Railway Museum