Clark/Lake station

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Subway Line


Elevated Lines ("L" Loop Clockwise)

Elevated Lines ("L" Loop Counter-clockwise)
Clark & Lake station 2015.jpg
Clark/Lake elevated platforms
Location 100-124 West Lake Street
Chicago, Illinois 60601
Coordinates 41°53′09″N 87°37′51″W / 41.885767°N 87.630886°W / 41.885767; -87.630886
Owned by Chicago Transit Authority (elevated)
City of Chicago (subway)
  Purple Line weekday rush hours only
Platforms 2 Side platforms (elevated)
1 Island platform (subway)
Tracks 4 (2 on each level)
Structure type Subway (Blue) & Elevated (Loop)
Depth 40 ft (12 m) (Blue Line platform)
Platform levels 3
Bicycle facilities Yes
Disabled access Yes

Elevated Platforms: September 22, 1895[1][2]

Subway Platform: February 25, 1951
Rebuilt 1988–92 (elevated station)
Previous names Lake Transfer (Subway)
Passengers (2015) 5,997,063[3]Increase 7.6% (CTA)
Rank 2 out of 143[a]
Preceding station   Chicago "L"   Following station
  Subway station  
toward O'Hare
Blue Line
toward Forest Park
  Elevated station  
One-way operation
Brown Line
toward Kimball
One-way operation
Orange Line
toward Midway
toward Harlem/Lake
Green Line
One-way operation
Purple Line
toward Linden
One-way operation
Pink Line
toward 54th/Cermak
Route map
Elevated station
Brown and Green Lines
west to Kimball and Harlem/Lake
LaSalle St.
Thompson Center
Clark St.
Purple, Orange, Green, and Pink Lines
east to Linden, Midway, Ashland/63rd,
Cottage Grove, and 54th/Cermak
Subway station
Lake St.
Blue Line
west to O'Hare
Wells St.
LaSalle St.
Thompson Center
Clark St.
Blue Line
east to Forest Park

Clark/Lake is a Chicago 'L' station located at 100/124 West Lake Street in Chicago's Loop district, and is accessed from the James R. Thompson Center and 203 North LaSalle building. It is one of the most complex stations on the 'L' system, comprising an elevated station and a subway station. The elevated station is serviced by the Brown, Green, Orange, Pink, and Purple Lines, while the subway platform is serviced by the Blue Line. In December 2014 it had an average of 17,644 weekday passenger entrances, making it the second busiest station in the 'L' system.[3] The Richard J. Daley Center, Chicago City Hall, and Chicago Title and Trust Center are also served by the station. It is the busiest station on the Loop Elevated, and the second busiest station on the 'L' system as of December 2014.


Clark-Lake subway 1 .jpg
Clark-Lake subway 2.jpg

Clark/Lake is a super station consisting of two stations that have been merged into one.[4] The original elevated station opened on September 22, 1895 as one of three stations on the Lake Street Elevated Railroad's "Wabash extension".[1][2] This extension became the Lake Street leg of the Union Loop when it was completed in 1897. The subway station opened as Lake Transfer on February 25, 1951. From 1988 to 1992, the elevated station was reconstructed, with its main entrance in the James R. Thompson Center. This allows transfers between the elevated station and the subway station without leaving the paid area, and so the stations were combined into a single station. Due to this, it is the one station that serves six of the eight lines. The Blue Line serve the subway station while the Green, Orange, Brown, Pink and Purple Lines serve the elevated station.

Bus connections[edit]


  • 22 Clark (Owl Service)
  • 24 Wentworth
  • 134 Stockton/LaSalle Express
  • 135 Clarendon/LaSalle Express
  • 136 Sheridan/LaSalle Express
  • 156 LaSalle

Notes and references[edit]


  1. ^ Due to possible double-counting of physically-connected stations, the CTA's official 2014 tally of stations was 145, but for ridership purposes reported having only 143 stations.


  1. ^ a b "Service on Lake Street "L" Extension". Chicago Daily Tribune. September 20, 1895. p. 12. 
  2. ^ a b "Put in New Rails". Chicago Daily Tribune. September 23, 1895. p. 11. 
  3. ^ a b "Monthly Ridership Report – December 2015" (PDF). Chicago Transit Authority Ridership Analysis and Reporting. January 11, 2015. Retrieved March 1, 2016. 
  4. ^ Clark/Lake Chicago-'L'.org (URL accessed September 23, 2006).

External links[edit]

Media related to Clark/Lake (CTA) at Wikimedia Commons