A tram is a rail vehicle which runs on tramway tracks along public urban streets; some include segments of segregated right-of-way. The lines or networks operated by tramcars are called tramways. Historically the term electric street railways was also used in the United States.

In large European cities trams offer a very comfortable, much more comfortable than buses or subway cars, and quick mode of transformation using already existing network of tracks.

PESA TRAM PL from PESA Bydgoszcz on Vimeo.