Blue Line (St. Louis MetroLink)

Blue Line
A Blue Line train passing through Clayton in 2024
Overview
Other name(s)	Cross County Extension
Status	Operational
Owner	Bi-State Development Agency
Locale	Greater St. Louis, Missouri–Illinois, U.S.
Termini	Shrewsbury-Lansdowne I-44 (west) Fairview Heights (east)
Stations	25
Website	metrostlouis.org/metrolink
Service
Type	Light rail
System	St. Louis MetroLink
Operator(s)	Metro Transit
Depot(s)	Ewing Yard and Shops 29th Street Yard and Shops
History
Opened	August 26, 2006
Previous names	Shrewsbury Branch
Technical
Line length	24 mi (39 km)
Character	Elevated, subway, at-grade
Track gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Electrification	Overhead line, 750 V DC
Route map Blue Line highlighted in blue Show interactive map Legend Shrewsbury–Lansdowne I-44 I-44 BNSF Railway Union Pacific Railroad Sunnen Maplewood–Manchester Brentwood I-64 I-64 Richmond Heights Clayton Forsyth University City–Big Bend Skinker Red Line to Lambert Airport Terminal 1 Forest Park–DeBaliviere Central West End Cortex I-64 / US 40 Grand Ewing Yard I-64 / US 40 Union Station Civic Center Stadium 8th & Pine Convention Center I-44 Laclede's Landing Eads Bridge over the Mississippi River MO IL East Riverfront 5th & Missouri I-64 Emerson Park Jackie Joyner-Kersee Center I-64 29th Street Yard Washington Park I-255 / US 50 Fairview Heights Red Line to Shiloh–Scott Tracks shared with the Red Line All stations are accessible This diagram: view talk edit Show route diagram

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.