A tram (also known as a tramcar; a streetcar or street car; and a trolley, trolleycar, or trolley car) is a passenger rail vehicle which runs on tracks along public urban streets and also sometimes on separate rights of way. Trams powered by electricity, which were the most common type historically, were under the classification of electric street railways. Trams also include horse railways which were widely used in urban areas before electrification.

Trams may also run between cities and/or towns (interurbans, tram-train), and/or partially grade separated even in the cities (light rail). Trams very occasionally also carry freight.

Trams are usually lighter and shorter than conventional trains and rapid transit trains. However, the differences between these modes of public transportation are often unclear. Some trams (for instance tram-trains) may also run on ordinary railway tracks, a tramway may be upgraded to a light rail or a rapid transit line, two urban tramways may be united to an interurban, etc.

Most trams today use electrical power, usually fed by a pantograph; in some cases by a sliding shoe on a third rail or trolley pole. If necessary, they may have several power systems. Certain types of cable car are also known as trams. Another power source is diesel; a few trams use electricity in the streets and diesel in more rural environments. Steam, petrol (gasoline), gas and animals have historically been used as power sources. Horse and mule driven trams do still occur.

Tramways are now included in the wider term "light rail", which also includes segregated systems. Some systems have both segregated and street-running sections, but are usually then referred to as trams, because it is the equipment for street-running which tends to be the decisive factor. Vehicles on wholly segregated light rail systems are generally called trains, although cases have been known of "trains" built for a segregated system being sold to new owners and becoming "trams".

Read more about TramEtymology and Terminology, Tramway Operation, Tram and Light-rail Transit Systems Around The World, Pros and Cons of Tram Systems, In Scale Modelling, Types, Regional

Other articles related to "tram, trams":

Tram - Regional
... Trams in Africa Trams in Asia Trams in Australia Trams in Europe Trams in New Zealand Streetcars in North America Trams in South America ...
Belgian Coast Tram
... The Coast Tram (Dutch De Kusttram) is a public transport service connecting the cities and towns along the entire Belgian (West Flanders) coast, between De Panne near the French border and Knokke-He ... At 68 km (42 miles) in length, it is the longest tram line in the world, as well as one of the few interurban tramways in the world to remain in operation ...
Edinburgh Corporation Tramways - Tram Managers
... The first Edinburgh Corporation Tram Manager was R Stuart Pilcher who was appointed at the early age of 24 in 1919 having previously worked in Aberdeen ... He left his post in 1929 to become Tram Manager in Manchester, England ... Pilcher managed the electrification of Edinburgh's trams in 1922/3 ...
... Its name comes from the Helsinki slang expression for tram, "spora" (from Swedish spÄrvagn, tram) ... a person's future on the basis of the positions of trams at the moment of the person's birth ... Mustelin points out that as trams or buses are so much nearer the person in question their gravitational pull has a much greater effect than do distant planets and stars ...
Liverpool South Parkway Railway Station - Airport Tram-train Proposed
... In August 2009, it was reported that a new tram-train link to Liverpool John Lennon Airport and a link to Kings Dock from the east of the city had been proposed ... At Liverpool South Parkway, the tram-train would leave the existing railway line and seamlessly transfer to a new tramway ...