Or trolley; Transport system, widespread in the US and Europe from the late 19th to the mid-20th century, where wheeled vehicles ran on parallel rails.
It originated in British collieries in the 18th century, and the earliest passenger system was in New York City, 1832. They are powered either by electric conductor rails below ground or conductor arms connected to overhead wires. They were designed for urban and interurban service and vast networks ran from city to city, especially in the NE US, where they ran more often to small towns than did the railroads.
Greater flexibility was achieved with trolley buses, similarly powered by conductor arms overhead but without tracks. In the 1930s–1960s most were retired. In the 1980s both trams and trolley buses were in some areas being revived. Both vehicles have the advantage of being nonpolluting to the local environment, since they produce no exhaust gases. However, electricity is polluting at the source.A car that runs on rails and is propelled by electricity:; SYN. tram, tramcar, trolley, trolley car.
Ulična električna železnica za osobni saobraćaj (u gradovima).