page_title: Rapid transit
hierarchical_section_title: Rapid transit
caption_attribution_description: English: Countries where there is a metro network. &#160;&#160; Metro in one city&#160;&#160; Metro in two or more cities&#160;&#160; Metro under construction&#160;&#160; Planned metro&#160;&#160; No metro Polski: Kraje, w których istnieje sieć metra. &#160;&#160; Metro tylko w jednym mieście&#160;&#160; Metro w dwóch lub więcej miast&#160;&#160; Metro w fazie budowy&#160;&#160; Metro w fazie planowania&#160;&#160; Bez metra
context_page_description: Rapid transit is the name for a type of railway which has trains that run very often and carry many passengers at one time. It is usually in a city or urban area and takes people in and out of it. Trains go between places very quickly because they do not mix with other traffic. Most rapid transit railways do not have level crossings, but the tracks go over and under other roads, or run in tunnels or over bridges, so they do not meet.
  Many places call their rapid transit system a metro. Other words for rapid transit, which vary around the world, are subway, underground, tube, elevated, or heavy rail. These words sometimes describe how the system is built: some systems are completely below or above ground, while others may have both below-ground and above-ground sections.
  A single rapid transit system can have many lines that go different places and many stations where people can get on and off trains, and sometimes change between other forms of public transport. These lines often have stations where people can change from one line to another to go in a different direction.
context_section_description: Rapid transit is the name for a type of railway which has trains that run very often and carry many passengers at one time. It is usually in a city or urban area and takes people in and out of it. Trains go between places very quickly because they do not mix with other traffic. Most rapid transit railways do not have level crossings, but the tracks go over and under other roads, or run in tunnels or over bridges, so they do not meet.
  Many places call their rapid transit system a metro. Other words for rapid transit, which vary around the world, are subway, underground, tube, elevated, or heavy rail. These words sometimes describe how the system is built: some systems are completely below or above ground, while others may have both below-ground and above-ground sections.
  A single rapid transit system can have many lines that go different places and many stations where people can get on and off trains, and sometimes change between other forms of public transport. These lines often have stations where people can change from one line to another to go in a different direction. These kinds of stations are called interchange stations, and many of the biggest rapid transit systems have several of these stations.
caption: Rapid transit networks around the world[1]:      Rapid transit in one city      Rapid transit in two or more cities      Rapid transit under construction      Planned rapid transit      No rapid transit
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