MetroLink is a light rail system that serves the Greater St. Louis area. Operated by Metro Transit in a shared fare system with MetroBus, the two-line, 38-station system runs from St. Louis Lambert International Airport and Shrewsbury in Missouri to Scott Air Force Base in Illinois. Intermediate destinations include downtown Clayton, Forest Park, and downtown St. Louis. It is the only U.S. light rail system to cross state lines.
Metro Transit is an enterprise of the Bi-State Development Agency and operates public transportation services in the St. Louis region. In 2023, the system had an annual ridership of 19,528,200, or about 59,800 per weekday as of the fourth quarter of 2023.
UMSL–South station is a light rail station on the Red Line of the St. Louis MetroLink system. This at-grade station is located near East Drive and features 130 park and ride spaces.
Rock Road station is a light rail station on the Red Line of the St. Louis MetroLink system. This at-grade station primarily serves commuters with a large MetroBus transfer and 191 park and ride spaces located in Pagedale, Missouri. The station's name comes from nearby St. Charles Rock Road, an important east–west artery in St. Louis County.
Forest Park–DeBaliviere station is a light rail station on the Red and Blue lines of the St. Louis MetroLink system. This below-grade station is located at the northeast corner of Forest Park Parkway and DeBaliviere Avenue in St. Louis and is designated as the primary transfer point between the two lines.
Grand station is a light rail station on the Red and Blue lines of the St. Louis MetroLink system. This at-grade station is situated beneath the Grand Boulevard viaduct and connects to the region's busiest bus line, the #70 Grand, which runs electric, articulated buses.
Civic Center station is a light rail station on the Red and Blue lines of the St. Louis MetroLink system. This below-grade station is located near 14th and Spruce streets near Interstate 64. It is also the primary transfer station for MetroBus and serves bus routes operated by Madison County Transit. Additionally, the station adjoins the Gateway Multimodal Transportation Center which has intercity services provided by Amtrak, Greyhound, and others.
Convention Center station is a light rail station on the Red and Blue lines of the St. Louis MetroLink system. This subway station is located beneath the intersection of 6th Street and Washington Avenue in St. Louis' Central Business District.
Transportation in Greater St. Louis, Missouri includes road, rail, ship, and air transportation modes connecting the bi-state St. Louis metropolitan area with surrounding communities throughout the Midwest, national transportation networks, and international locations. The Greater St. Louis region also supports a multi-modal transportation network that includes bus, paratransit, and light rail service in addition to shared-use paths, bike lanes and greenways.
Clayton station is a light rail station on the Blue Line of the St. Louis MetroLink system. This at-grade station is located in the median of Forest Park Parkway between South Central Avenue and South Meramec Avenue in downtown Clayton.
College station is a light rail station on the Red Line of the St. Louis MetroLink system. This at-grade station serves Southwestern Illinois College on the eastern edge of Belleville, Illinois. It is also features MetroBus service and 623 park and ride spaces.
Emerson Park station is a light rail station on the Red and Blue lines of the St. Louis MetroLink system. This at-grade station is located near 15th Street and Bowman Avenue in East St. Louis, Illinois. It also serves as a transfer for MetroBus and Madison County Transit and features 841 park and ride spaces.
Jackie Joyner-Kersee Center station is a light rail station on the Red and Blue lines of the St. Louis MetroLink system. This at-grade station is adjacent to the Jackie Joyner-Kersee Youth Center and just north of Interstate 64's exit 4B in East St. Louis, Illinois.
Washington Park station is a light rail station on the Red and Blue lines of the St. Louis MetroLink system. This at-grade station is located on the city limit line between East St. Louis, Illinois and Washington Park, Illinois.
Fairview Heights station is a light rail station on the Red and Blue lines of the St. Louis MetroLink system. This at-grade station is located on the western edge of Fairview Heights, Illinois near the intersection of St. Clair Avenue and Illinois Route 161. It is the eastern terminus of the Blue Line and has a pocket track allowing Blue Line trains to reverse directions and layover between runs.
Belleville station is a light rail station on the Red Line of the St. Louis MetroLink system. This at-grade station bisects Scheel Street in the northern section of Belleville, Illinois approximately one-mile (1.6 km) from the center of town. It features a MetroBus transfer and 321 park and ride spaces.
The Red Line is the older and longer line of the MetroLink light rail system in Greater St. Louis. It serves 29 stations across three counties and two states.
The Blue Line is the newer and shorter line of the MetroLink light rail service in Greater St. Louis. It serves 25 stations across three counties and two states.
MetroBus is a public bus service operated by Metro Transit that serves the Greater St. Louis area. In 2023, the service had an annual ridership of 12,531,400, or about 39,400 per weekday as of the fourth quarter of 2023.
The Gateway Multimodal Transportation Center, also known as Gateway Station, is a rail and bus terminal station in the Downtown West neighborhood of St. Louis, Missouri. Opened in 2008 and operating 24 hours a day, it serves Amtrak trains and Greyhound and Burlington Trailways interstate buses. Missouri's largest rail transportation station, it is located one block east of St. Louis Union Station.
MetroBus Illinois: 1, 2, 2X, 4, 5, 22X [2] 
