The project of the bus, tram and trolleybus communication subsystem was made in 1990 for the area of ​​the entire city of Warsaw. It presents elements of the communication system in the field of tram (routes, junctions, depots and loops), bus (routes, loops, stations, depots and back-up facilities) and trolleybus (routes and loops) infrastructure. Zones of varied communication conditions (zones A, B and C) and elements of the system environment, such as subway (stops and routes), railway (routes, stops and stations) as well as airport stations were marked.