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Los Angeles Metro Rail
Metro Rail is an urban rail transit system serving Los Angeles County, California, United States, consisting of six lines: four light rail lines (the A, C, E and K lines) and two rapid transit lines (the B and D lines), serving a total of 107 stations. The system connects with the Metro Busway bus rapid transit system (the G and J lines), the Metrolink commuter rail system, as well as several Amtrak lines. Metro Rail is owned and operated by Los Angeles Metro.
Metro Rail has been extended significantly since it started service in 1990, and several further extensions are either in the works or being considered. In 2024, the system had a ridership of 68,649,500 or about 205,200 per weekday as of the second quarter of 2025. Metro Rail operates the busiest light rail system in the United States.
Los Angeles had two previous rail transit systems, the Pacific Electric Red Car and Los Angeles Railway Yellow Car lines, which operated between the late 19th century and the 1960s. The Metro Rail system uses many of their former rights of way, and thus can be considered their indirect successor.
In Los Angeles Metro terminology, common with most other metro systems, a line is a named service, defined by a route and set of stations served by trains on that route. (The word does not refer to a physical rail corridor, as it does in New York City Subway nomenclature.)
Metro also uses the same line letter naming system for its Metro Busway services (which are bus rapid transit routes operating in transitways).
Six Metro Rail lines operate in Los Angeles County:
The B and D lines follow a fully underground route, and the C Line follows a fully grade-separated route. The A, E, and K lines run in a mix of environments, including at-grade in an exclusive corridor, street running, elevated, and underground.
The two rapid transit (subway) lines (B and D) share tracks between Union Station and Wilshire/Vermont. Two of the light rail lines (A and E) share tracks between Pico and Little Tokyo/Arts District, while two others (C and K) share tracks between Aviation/Century and LAX/Metro Transit Center.
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Los Angeles Metro Rail
Metro Rail is an urban rail transit system serving Los Angeles County, California, United States, consisting of six lines: four light rail lines (the A, C, E and K lines) and two rapid transit lines (the B and D lines), serving a total of 107 stations. The system connects with the Metro Busway bus rapid transit system (the G and J lines), the Metrolink commuter rail system, as well as several Amtrak lines. Metro Rail is owned and operated by Los Angeles Metro.
Metro Rail has been extended significantly since it started service in 1990, and several further extensions are either in the works or being considered. In 2024, the system had a ridership of 68,649,500 or about 205,200 per weekday as of the second quarter of 2025. Metro Rail operates the busiest light rail system in the United States.
Los Angeles had two previous rail transit systems, the Pacific Electric Red Car and Los Angeles Railway Yellow Car lines, which operated between the late 19th century and the 1960s. The Metro Rail system uses many of their former rights of way, and thus can be considered their indirect successor.
In Los Angeles Metro terminology, common with most other metro systems, a line is a named service, defined by a route and set of stations served by trains on that route. (The word does not refer to a physical rail corridor, as it does in New York City Subway nomenclature.)
Metro also uses the same line letter naming system for its Metro Busway services (which are bus rapid transit routes operating in transitways).
Six Metro Rail lines operate in Los Angeles County:
The B and D lines follow a fully underground route, and the C Line follows a fully grade-separated route. The A, E, and K lines run in a mix of environments, including at-grade in an exclusive corridor, street running, elevated, and underground.
The two rapid transit (subway) lines (B and D) share tracks between Union Station and Wilshire/Vermont. Two of the light rail lines (A and E) share tracks between Pico and Little Tokyo/Arts District, while two others (C and K) share tracks between Aviation/Century and LAX/Metro Transit Center.