The Blue Line is a 26.3-mile (42.3 km) light rail line in the San Diego Trolley system, operated by San Diego Trolley, Inc., an operating division of the San Diego Metropolitan Transit System (MTS). It operates between the UTC Transit Center and the San Ysidro Transit Center, the latter of which is at the border with Mexico directly adjacent to the San Ysidro Port of Entry, facilitating easy connections across the border. The line serves La Jolla, Downtown San Diego, National City, Chula Vista, and San Ysidro.
America Plaza is a station of the Blue and Silver Lines on the San Diego Trolley. It is located in the Downtown Core of San Diego, California, and is directly connected to One America Plaza, the city's tallest building. The station, and its accompanying 34-story high-rise building, opened on November 14, 1991, making the station the second infill station in the San Diego Trolley system.
City College station is a light rail station on the San Diego Trolley's Orange, Blue, and Silver Lines. It is located in the East Village neighborhood of the city and serves students at San Diego City College and San Diego High School, workers at warehouse facilities located on the outskirts of Downtown, and an increasing number of new apartment complexes.
Park & Market station is a station of the Blue, Orange, and Silver Lines on the San Diego Trolley. It is located in the East Village neighborhood of the city and serves the high density residential developments that surround the stop.
12th & Imperial Transit Center is a San Diego Trolley station in Downtown San Diego, California. It is located in the East Village neighborhood of the city and serves the high-density residential developments that surround the stop. It is one of two stations from which Petco Park can be reached. The station has historically been used as a major transfer point between the various Trolley lines and is the only station that is directly served by all four Trolley lines.
8th Street station is a station on the Blue Line of the San Diego Trolley located in National City, California. Surrounded by an industrial area, the primary focus of this station is to serve as a commuter lot, as it is easily accessible from Interstate 5.
24th Street station is a station on the Blue Line of the San Diego Trolley located in National City, California. The stop serves both as a commuter center with a park and ride lot and to provide access to the dense nearby retail area.
Bayfront/E Street station is a station on the Blue Line of the San Diego Trolley located in the city of Chula Vista, California. The stop serves both as a commuter center with a park and ride lot and to provide access to the dense nearby retail area.
H Street station is a station on the Blue Line of the San Diego Trolley located in the city of Chula Vista, California. The stop serves both as a commuter center with a park and ride lot and as an access point to the nearby dense retail and large residential areas. It also provides access to nearby Southwestern Community College by way of the 709 bus.
Palomar Street station is a station on the Blue Line of the San Diego Trolley located in the city of Chula Vista, California. The stop serves a variety of purposes, holding the function of commuter center with a park and ride lot and providing access to the nearby commercial, industrial, and residential areas, as well as Southwestern Community College.
Gaslamp Quarter station is a station of the Green and Silver Lines on the San Diego Trolley. It is located in the Gaslamp Quarter section of the city and serves the surrounding trendy neighborhood. A variety of entertainment destinations and restaurants, as well as Petco Park, are accessible from the station.
25th & Commercial station is a station on the Orange Line of the San Diego Trolley located in the Grant Hill neighborhood of San Diego, California. The stop is dedicated to Hispanic civil rights leader Cesar Chavez.
32nd & Commercial station is a station on the Orange Line of the San Diego Trolley located in the Stockton neighborhood of San Diego, California. The stop is located in an area where the light rail temporarily breaks from its street-level tracks and runs on a separate right-of-way around the Mt. Hope and Greenwood Cemeteries.
47th Street station is a station on the Orange Line of the San Diego Trolley located in the Chollas View neighborhood San Diego, California. The station primarily serves this mixed-income residential area and includes a park and ride lot.
Euclid Avenue station is a station on the Orange Line of the San Diego Trolley located in the Emerald Hills neighborhood of San Diego, California. The station serves both nearby residences and is also a park and ride facility.
Massachusetts Avenue station is a station on the Orange Line of the San Diego Trolley in Lemon Grove, California, a suburb of San Diego. The station serves as a commuter center and park and ride lot for the surrounding residential community.
Lemon Grove Depot is a station on the Orange Line of the San Diego Trolley. It is located in the San Diego suburb of Lemon Grove, California and serves the densely populated surrounding commercial and residential area.
Spring Street station is a station on the Orange Line of the San Diego Trolley. It is located in San Diego suburb of La Mesa, California and serves both nearby residences and as a commuter park and ride location.
La Mesa Boulevard station is a station on the Orange Line of the San Diego Trolley located in the San Diego suburb of La Mesa, California. It serves the dense nearby commercial area, as well as a variety of apartment buildings that surround the stop.
Metropolitan Transit System: 4, 916, 917, 961 [2] 
