Premetro
Encyclopedia
A premetro is a tram
Tram
A tram is a passenger rail vehicle which runs on tracks along public urban streets and also sometimes on separate rights of way. It may also run between cities and/or towns , and/or partially grade separated even in the cities...

way or light rail
Light rail
Light rail or light rail transit is a form of urban rail public transportation that generally has a lower capacity and lower speed than heavy rail and metro systems, but higher capacity and higher speed than traditional street-running tram systems...

way which includes segments built to rapid transit
Rapid transit
A rapid transit, underground, subway, elevated railway, metro or metropolitan railway system is an electric passenger railway in an urban area with a high capacity and frequency, and grade separation from other traffic. Rapid transit systems are typically located either in underground tunnels or on...

 standards, usually as part of a process of conversion to a metro
Rapid transit
A rapid transit, underground, subway, elevated railway, metro or metropolitan railway system is an electric passenger railway in an urban area with a high capacity and frequency, and grade separation from other traffic. Rapid transit systems are typically located either in underground tunnels or on...

 railway, mainly by the construction of tunnel
Tunnel
A tunnel is an underground passageway, completely enclosed except for openings for egress, commonly at each end.A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. Some tunnels are aqueducts to supply water for consumption or for hydroelectric stations or are sewers...

s in the central city area. Because tunnels are expensive, some premetros have not progressed to the Metro stage, such as has happened in Bergsjön
Bergsjön
Bergsjön is a district in eastern Gothenburg, Sweden. On January 1, 2011, Bergsjön and Kortedala together became the Eastern District of Gothenburg, as a part of a larger reorganization of the City of Gothenburg where the number of district councils has been halved to ten. Bergsjön, as part of...

 in Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

.

Examples

  • Antwerp Pre-metro
    Antwerp Pre-metro
    The Antwerp Premetro is a network, consisting of lines 2, 3, 5, 6 and 15 of the Antwerp Tram system. It is a 1000 mm rail gauge system, which runs underground in the city centre and further out on surface lines, which are separated from motor traffic...

  • Green Line
    Green Line (MBTA)
    The Green Line is a streetcar system run by the Massachusetts Bay Transportation Authority in the Boston, Massachusetts area of the United States. It is the oldest line of Boston's subway, which is known locally as the 'T'. The Green Line runs underground downtown and on the surface in outlying...

    , Boston
    Boston
    Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...

  • Brussels Metro
    Brussels Metro
    The Brussels Metro is a rapid transit system serving a large part of the Brussels-Capital Region of Belgium. It consists of a network with four metro line services with some shared sections. The metro has 49.9 km of network and 59 stations...

     lines 3 and 4
  • PreMetro (E2)
    PreMetro E2 (Buenos Aires)
    PreMetroThe PreMetro or Line E2 is a tram line that connects with the Buenos Aires Metro line E, at Plaza de los Virreyes station and runs to General Savio and Centro Cívico. It is operated by Metrovías....

    , Buenos Aires
    Buenos Aires
    Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after São Paulo. It is located on the western shore of the estuary of the Río de la Plata, on the southeastern coast of the South American continent...

  • Charleroi Pre-metro
    Charleroi Pre-metro
    The Charleroi Metro is a express tram network in Belgium, consisting of a horseshoe-shaped line around central Charleroi and two branches towards the suburbs of Gilly and Anderlues. It was built between 1976 and 1996 with 26 stations, of which 20 are in service as of 1996, and 6 regular tram...

  • Gothenburg tram
    Gothenburg tram
    The Gothenburg tram network is part of the public transport system organised by Göteborgs Spårvägar AB, controlled by Västtrafik in the Swedish city of Gothenburg...

  • Krakowski Szybki Tramwaj
  • Kryvyi Rih Metrotram
    Kryvyi Rih Metrotram
    The Kryvyi Rih Metrotram is a partially underground rapid tram system that serves the city of Kryvyi Rih, the eighth largest city in Ukraine...

  • Port Authority of Allegheny County
    Port Authority of Allegheny County
    Port Authority of Allegheny County is the second-largest public transit agency in Pennsylvania and the 11th-largest in the United States. When considering that its service area is the 20th largest in the U.S...

    , Pittsburgh
  • Porto Metro
    Porto Metro
    The Porto Metro , part of the public transport system of Porto, Portugal, is a light-rail network that runs underground in central Porto and above ground into the city's suburbs...

  • Poznań Fast tram
  • Frankfurt U-Bahn
    Frankfurt U-Bahn
    The Frankfurt U-Bahn, together with the Frankfurt S-Bahn and the Frankfurt Straßenbahn, is the backbone of the public transport system of Frankfurt, Germany. Its name derives from the German term for underground, Untergrundbahn. The U-Bahn opened in 1968 and now consists of 87 stations on nine...

  • San Diego Trolley
    San Diego Trolley
    The San Diego Trolley is a light rail system operating in the metropolitan area of San Diego. The operator, San Diego Trolley, Inc. , is a subsidiary of the San Diego Metropolitan Transit System ...

     Green Line
  • Muni Metro
    Muni Metro
    Muni Metro is a light rail system serving San Francisco, California, operated by the San Francisco Municipal Railway , a division of the San Francisco Municipal Transportation Agency...

    , San Francisco
  • Volgograd metrotram
  • SEPTA Subway
    SEPTA Subway-Surface Trolley Lines
    The Subway–Surface Trolley Lines or Green Lines are five SEPTA trolley lines that operate on street-level tracks in West Philadelphia and Delaware County, Pennsylvania, and in a shared subway with rapid transit trains in Philadelphia's Center City....

     Green line, Philadelphia
  • Eglinton–Scarborough Crosstown line, Toronto
    Toronto
    Toronto is the provincial capital of Ontario and the largest city in Canada. It is located in Southern Ontario on the northwestern shore of Lake Ontario. A relatively modern city, Toronto's history dates back to the late-18th century, when its land was first purchased by the British monarchy from...

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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