The Chicago "L" is the rapid transit system serving the city of Chicago and some of its surrounding suburbs in the U.S. state of Illinois. Operated by the Chicago Transit Authority (CTA), it is the fourth-largest rapid transit system in the United States in terms of total route length, at 102.8 miles (165.4 km) long as of 2014, and the third-busiest rapid transit system in the United States, after the New York City Subway and Washington Metro. In 2016, the "L" had 1,492 rail cars, eight different routes, and 145 train stations. In 2022, the system had 103,524,900 rides, or about 367,000 per weekday in the second quarter of 2023.
The Blue Line is a 26.93-mile-long (43.34 km) Chicago "L" line which extends through The Loop from O'Hare International Airport at the far northwest end of the city, through downtown via the Milwaukee–Dearborn subway and across the West Side to its southwest end at Forest Park, with a total of 33 stations. At about 27 miles, it is the longest line on the Chicago "L" system and second busiest, and one of the longest local subway/elevated lines in the world. It has an average of 64,978 passengers boarding each weekday in 2022.
The Green Line is a rapid transit line in Chicago, Illinois, operated by the Chicago Transit Authority (CTA) as part of the Chicago "L" system. It is the only completely elevated route in the "L" system. All other routes may have various combinations of elevated, subway, street level, or freeway median sections.
Howard is an 'L' station in Chicago, Illinois. It is the northern terminus of the Red Line and the southeastern terminus of the Yellow Line; it also serves the Purple Line, for which it is the southern terminus at non-rush hour times on weekdays and all day on weekends. Trains on the Chicago North Shore and Milwaukee Railroad also stopped at Howard from 1926 until that line was abandoned in 1963.
43rd is a station on the Chicago Transit Authority's 'L' system in the Grand Boulevard community area in Chicago, Illinois, on the Green Line at 314 E 43rd Street, three blocks east of State Street. It opened on August 15, 1892, when the South Side Elevated Railroad extended service south to serve the World Columbian Exposition in 1893.
47th is a station on the Chicago Transit Authority's "L" system, located in the Grand Boulevard community area of Chicago, Illinois and serving the Green Line. It is situated at 314 E 47th Street, three blocks east of State Street. It opened on August 15, 1892, when South Side Elevated Railroad extended its service south to serve the Chicago World's Fair in 1893.
51st is a station on the Chicago Transit Authority's "L" system, located in Chicago, Illinois and serving the Green Line. It is situated at 319 E 51st Street, three blocks east of State Street. It opened on August 28, 1892.
Garfield is an "L" station on the CTA's Green Line. It is situated at 320 E. Garfield Boulevard in the Washington Park neighborhood. It opened on October 12, 1892. This station is the southernmost Green Line station served by both of the Green Line's branches: south of Garfield, the Green Line splits into two branches, one terminating at Ashland/63rd, and one at Cottage Grove.
Cottage Grove, is an 'L' station and the current terminus of the CTA Green Line's East 63rd branch, located in the Woodlawn neighborhood. The station, situated at 800 East 63rd Street, opened on April 23, 1893. This station is the current terminal of the East 63rd branch of the Green Line, and the easternmost station on the 'L' system.
Western is an elevated rapid transit station on the Chicago "L"'s Blue Line, where it is located on the O'Hare branch. The station, opened in 1895, is located within the Bucktown neighborhood in the larger Logan Square community area. It has two side platforms at track level with a station house at street level.
The South Side Elevated Railroad was the first elevated rapid transit line in Chicago, Illinois. The line ran from downtown Chicago to Jackson Park, with branches to Englewood, Normal Park, Kenwood, and the Union Stock Yards. The first 3.6 miles (5.8 km) of the line opened on June 6, 1892. Much of its route is still used today as part of the Green Line of the Chicago "L" system.
Racine is an abandoned rapid transit station on the Chicago Transit Authority's Green Line. The station is located at 6314–16 South Racine Avenue in the Englewood neighborhood of Chicago, Illinois. Racine opened on February 25, 1907, when the Englewood branch of the South Side Elevated Railroad was extended westward. The station closed with the rest of the Green Line on January 9, 1994, but did not reopen with the rest of the Green Line on May 12, 1996.
The Dan Ryan branch is a 9.4 mi (15.1 km) long section of the Chicago "L" system located on the South Side of Chicago, Illinois. It is operated by the Chicago Transit Authority, as part of its Red Line service and is normally through-routed downtown towards the North Side via the State Street subway. As of February 2013, the branch serves 45,355 passengers per weekday. As part of the CTA's busiest rapid transit line, it is operated 24 hours a day, 365 days a year. The branch serves the Chinatown, Armour Square, Fuller Park, Englewood, Greater Grand Crossing, Chatham and Roseland neighborhoods.
The North Side Main Line is a branch of the Chicago "L" system that is used by Red, Purple, and Brown Line trains. As of 2012, it is the network's busiest rail branch, serving an average of 123,229 passengers each weekday. The branch is 10.3 miles (16.6 km) long with a total of 21 stations, from Howard Street in Rogers Park down to Lake Street in Chicago's Loop. The branch serves the north side of the city 24 hours a day, seven days a week.
The South Side Elevated is a branch of the Chicago "L" system in Chicago, Illinois that is served by the Green Line. It has on average 12,509 passengers, counting branch divisions, boarding each weekday as of February 2013, according to the Chicago Transit Authority. The branch is 6.5 miles (10.5 km) long with a total of 8 stations, and runs from the Near South Side to the Washington Park neighborhood of Chicago.
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. 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 Lake Street Elevated, also known as the Lake branch, is a 8.75 mi (14.08 km) long branch of the Chicago "L" which is located west of the Chicago Loop and serves the Green Line for its entire length, as well as the Pink Line east of Ashland Avenue. As of February 2013, the branch serves an average of 27,217 passengers each weekday. It serves the Near West Side, East Garfield Park, West Garfield Park, and Austin neighborhoods of Chicago, as well as the suburbs Oak Park and Forest Park. It owes its name to Lake Street, the street that the branch overlooks for 6.25 mi (10.06 km) before continuing its route straight west, adjacent to South Boulevard, towards the terminus at Harlem/Lake.
The Chicago "L" used skip-stop service, wherein certain trains would stop only at certain designated stations on a route, from 1948 to 1995. It was implemented as a way to speed up travel within a route, and was one of the Chicago Transit Authority's first reforms upon its assumption of the "L"'s operations.
The Lake Street Transfer station was a rapid transit station on the Chicago "L", serving as a transfer station between its Lake Street Elevated Railroad and the Logan Square branch of its Metropolitan West Side Elevated Railroad. Located where the Logan Square branch crossed over the Lake Street Elevated, it was in service from 1913 to 1951, when it was rendered obsolete by the opening of the Dearborn Street subway.
Madison was a rapid transit station on the Chicago "L"'s Metropolitan West Side Elevated Railroad, serving its Logan Square branch from 1895 to 1951. The station was typical of those constructed by the Metropolitan, with a Queen Anne station house and two wooden side platforms adjacent to the tracks. For much of its existence, Madison served the nearby sports arena Chicago Stadium.
