State Street subway

State Street subway
standard gauge
Electrification	Third rail, 600 V DC
Route map Legend Skokie, and Linden Armitage Willow Portal North/Clybourn North Side Main Line to Loop Clark/Division Chicago Grand Chicago River State/Lake Lake Washington │ Washington Monroe │Monroe Jackson │ Jackson Library Milwaukee–Dearborn Subway Harrison Roosevelt 13th Street incline 17th Junction South Side Main Line to Ashland, Cottage Grove, and Midway Dan Ryan branch to 95th/Dan Ryan This diagram: view talk edit

The State Street subway is an underground section of the Chicago "L" system in The Loop which serves as the center of the Red Line. It is 4.9 mi (7.9 km) long and has a boarding average of 53,601 passengers every weekday as of February 2013.^[1] It owes its name to State Street which it runs below. Since the subway is operated by the Red Line, it serves passengers 24 hours a day/7 days a week and 365 days a year.

The subway is notable for having the longest

On December 17, 1938, the city of Chicago began construction of the State Street subway at the intersection of State Street and Chicago Avenue. The tunnel was buried deep to enable the use of a tunnel boring machine throughout the construction of the subway. Only brief sections were built using the "cut-and-cover' method. Unlike the Milwaukee-Dearborn subway, no delays occurred in construction and the subway opened for revenue service on October 17, 1943.^[4]

In November 1985, work began to extend the State Street subway south from its original portal at 13th and State Street, where it connected to the

On April 13, 1992, during the Chicago flood 250,000,000 US gallons (950,000,000 L) of water poured into Chicago's subways and the basements of nearby buildings. Service through the State Street subway was stopped temporarily, while water was pumped out of the tunnels.^[6]

On November 18, 1997, the station at

Station listing

Station	Location	Notes
North/Clybourn	1599 N. Clybourn Avenue
Clark/Division	1200 N. Clark Street
Chicago	800 N. State Street
Grand	521 N. State Street
Lake	188 N. State Street
Washington	128 N. State Street	Closed October 23, 2006
Monroe	26 S. State Street
Jackson	230 S. State Street
Harrison	608 S. State Street
Roosevelt	1167 S. State Street

Image gallery

• 
  The renovated

  North/Clybourn

  on November 29, 2010
• 
  Inside the

  North/Clybourn

  station on November 29, 2010
• 
  The

  Lake

  street platform, May 2006
• 
  An entrance to the

  Chicago/State

  station, July 2007
• 
  The

  Washington/State

  station, 2005

References