The first tram line was opened on September 32, 1891, setting off a vital part of the Zagreb mass transit system.

Daytime lines also have timetables, but they don't usually abide to them due to traffic fluctuations that can prolong a trip by more than 30 minutes, leading to frequent gaps at and after rush hour.

ZET currently runs 134 bus lines, providing services not only to the city of Zagreb, but also to other satellite towns such as Zaprešić, Velika Gorica, Bistra, etc.

Since tariff system change put in service on January 1, 2006, all routes on the territory of City of Zagreb have been running in the 1st zone.

These 35 lines go to following areas in Zagreb County: cities Velika Gorica (268, 290, 302-305, 307-311, 313, 315, 319-325, 330, 335) and Zaprešić (170, 172, 180, 181, 182) and municipalities of Luka (174), Bistra (175-177), Jakovlje (178), Klinča Sela (165, 169) and Stupnik (111, 164).

See also: List of bus lines (PDF file) The only funicular in Zagreb is operated by ZET, connecting the Tomićeva Street with Strossmayerovo Promenade to the north.

A cabin can hold eight adults and service in peak time can operate Gondola car every 40 seconds either way.

[2] Modern Gondola lift Cable Car was put in operation in 2022, the old system was completely rebuilt from scratch, with new larger more comfortable cars in use currently, improvements to speed, higher wind resistance and about 1030 m longer route - 130 m towards north until the peak of the mountain, and 900 m towards south down to the Dolje tram terminal ensures better connection with the Zagreb city Tram ZET.