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 elevated rails above street level. Outside urban centers, rapid transit lines may run on grade separated ground level tracks.
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Transit lines:
- Waterloo & City Line ,
- M ,
- F ,
- Central Line ,
- Jubilee Line ,
- Purple Line ,
- Blue Line ,
- Orange Line ,
- Yellow Line ,
- Brown Line
Transit systems:
- London Underground ,
- Massachusetts Bay Transportation Authority ,
- Paris Métro ,
- Bay Area Rapid Transit ,
- Moscow Metro ,
- Washington Metro ,
- RER ,
- Kowloon-Canton Railway ,
- MTR ,
- Tren Urbano
Also known as:
- Metro