There are about 25 regular lines, forming a part of the city's integrated public transport system organized by the Warsaw Transport Authority.

Public transport in the metropolitan area is served by the Warsaw Transport Authority (Zarząd Transportu Miejskiego).

This SKM is not operated by PKP and is owned by the Warsaw Transport Authority.

The buses, trams, urban railway and Metro are managed by Zarząd Transportu Miejskiego (ZTM, the Warsaw Transport Authority).

Municipal Transport Authority, translated as Warsaw Transport Authority; ZTM) is the local authority controlled body managing all means of public transport in Warsaw.