The public transportation system of the Katowice and Upper Silesian Metropolis consists of four branches—buses, trams and Trolleybuses united in Zarząd Transportu Metropolitalnego (lit.
Metropolitan Transport Authority) as well as the regional rail (primarily Koleje Śląskie and Przewozy Regionalne).
Additional services are operated by private companies and state-owned railways.

Trams
Silesian Interurbans – one of the largest tram systems in the world, in existence since 1894.
It spreads for more than 50 kilometres (31 miles) (east-west) and covers 14 districts of the Upper Silesian Metropolis.

Buses
The public transportation system of the Katowice and Upper Silesian Metropolis consists of four branches—buses, trams and Trolleybuses united in Zarząd Transportu Metropolitalnego (lit. Metropolitan Transport Authority) as well as the regional rail (primarily Koleje Śląskie and Przewozy Regionalne). Additional services are operated by private companies and state-owned railways.
Trams
Silesian Interurbans – one of the largest tram systems in the world, in existence since 1894. It spreads for more than 50 kilometres (31 miles) (east-west) and covers 14 districts of the Upper Silesian Metropolis.
Buses
Katowice