MetroLink is a light rail system that serves the Greater St. Louis area in the United States. The 46-mile (74.0 km) system has two lines and is operated by Metro Transit, an enterprise of the Bi-State Development Agency.[1][2]
MetroLink currently has 38 stations; 13 are served only by the Red Line, nine only by the Blue Line, and the other 16 by both lines. Thirteen stations are located in the City of St. Louis; 14 in St. Louis County; and 11 in St. Clair County, Illinois. Central West End is the busiest station by daily ridership, Sunnen is the least busy.[3][4]
The first 13.9-mile (22.4 km) segment opened on July 31, 1993 between the North Hanley and 5th & Missouri stations.[5] The remainder of this initial 17-mile (27 km) alignment was completed on June 25, 1994 when the extension to Lambert Airport Main opened.[6] Three infill stations have been added to this original alignment. East Riverfront in 1994, Lambert Airport East in 1998, and Cortex in 2018.[7][8] The system has seen two major expansions. In 2001-03, St. Clair County extended the Red Line 20.9 miles (33.6 km) to the Shiloh-Scott station near Scott Air Force Base.[9] In 2006, the 8-mile (12.9 km) Cross County Extension added Blue Line service between the Forest Park–DeBaliviere and Shrewsbury–Lansdowne I-44 stations via Clayton, Missouri.[10]
A 5.2-mile (8.4 km) extension of the Red Line from Shiloh-ScotttoMidAmerica St. Louis AirportinMascoutah broke ground in 2023 and is expected to be operational in early 2026.[11][12][13] In Missouri, Metro and local leaders are advancing the Green Line that would run between North and South St. Louis with a potential extension into North St. Louis County.[14][15]
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Italics denote lines or service which are planned or not operating |