A Pink Line train approaching Randolph/Wabash station
|Locale||Chicago, Illinois, United States|
|Transit type||Rapid transit|
|Number of lines||8|
|Number of stations||145|
|Daily ridership||767,730 (average weekday, 2015)|
|Chief executive||Dorval R. Carter, Jr.|
|Headquarters||567 West Lake St.|
|Website||Chicago Transit Authority|
|Began operation||June 6, 1892|
|Operator(s)||Chicago Transit Authority|
|System length||102.8 mi (165.4 km)|
|Track gauge||4 ft 8 1⁄2 in (1,435 mm) standard gauge|
|Minimum radius of curvature||90 feet (27,432 mm)|
|Electrification||Third rail, 600 V DC|
|Top speed||55 mph (89 km/h)|
The "L" is operated by the Chicago Transit Authority (CTA). It is the fourth-largest rapid transit system in the United States. It is 102.8 miles (165.4 km) long, and the second-busiest rail mass transit system in the United States, after the New York City Subway.
Chicago's "L" has 24-hour service on some portions of its network. It is one of only five rapid transit systems in the United States to do so. The oldest sections of the Chicago "L" started operations in 1892, making it the second-oldest rapid transit system in the Americas, after New York City's elevated lines.
- "Annual Ridership Report: Calendar Year 2015" (PDF). Transitchicago.com. Archived from the original (PDF) on 2016-11-05. Retrieved 2017-09-23.
- "Our Services". Chicago Transit Authority. Archived from the original on August 12, 2011. Retrieved August 22, 2006.
- "American Public Transportation Rider Reports Year End 2014" (PDF). Apta.com. Archived from the original (PDF) on 6 January 2017. Retrieved 7 April 2015.
- The four other rapid transit systems in the U.S. that provide 24-hour service are the New York City Subway, Staten Island Railway, PATH, and Philadelphia's PATCO Speedline.