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. In 2016, the "L" had 1,492 rail cars, eight different routes, and 145 train stations. In 2023, the system had 117,447,000 rides, or about 373,800 per weekday in the fourth 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 on the North Side Main Line. 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.
Washington/Wells is a station on the Chicago "L" system, located in downtown Chicago, Illinois on The Loop. The station opened on July 17, 1995. Washington/Wells is located a few blocks from several major attractions and business centers, such as Chicago City Hall, the Civic Opera House, and the Chicago Mercantile Exchange. The station is also three blocks east of Ogilvie Transportation Center, terminal for the Union Pacific North, Northwest, and West line Metra trains. The station is located between Washington and Madison on Wells Street in downtown Chicago.
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.
Ashland/63rd is an 'L' station and the terminal of the CTA Green Line's Ashland branch, located in the West Englewood neighborhood of Chicago, Illinois. Situating at 6315 S. Ashland Avenue, the station contains a Park 'n' ride lot with 235 spaces as well as a Kiss 'n' Ride lane. This is one of two stations on the Green Line to be named Ashland. The other station is on the Lake Street branch and is shared between the Green and Pink Lines. The Red Line served this station from May 19, 2013 to October 20, 2013, April 3, 2017 to November 22, 2017, and July 30, 2018 to April 26, 2019.
Cottage Grove, is an 'L' station and the terminus of the CTA Green Line's East 63rd branch, located in the Woodlawn neighborhood. The station is situated at 800 East 63rd Street and opened on April 23, 1893.
Austin is a station on the Chicago Transit Authority's 'L' system. It is located between the Ridgeland and Central stations on the Green Line, which runs from Harlem/Lake and to Ashland/63rd and Cottage Grove. The station is located at the intersection of Austin Boulevard and Corcoran Place in the Austin neighborhood on Chicago's West Side and borders the village of Oak Park.
Oak Park is a station on the Chicago Transit Authority's 'L' system situated between the Ridgeland and Harlem stations on the Green Line. It is located at Oak Park Avenue and South Boulevard in the village of Oak Park, Illinois and is the closest station to the Frank Lloyd Wright Home and Studio.
Clinton is a subway station on the Chicago Transit Authority's 'L' system, serving the Blue Line and the West Loop neighborhood of the larger Near West Side community area. The Congress Branch of the Blue line opened in June 1958, and connected to the existing Dearborn subway at LaSalle. It is the closest 'L' station to Union Station, which doubles as Chicago's Amtrak station and the downtown terminal for several Metra lines. It is also the closest station to Chicago's Greyhound bus terminal. Union Station is two blocks north, while Greyhound is one block west.
The Loop is the 1.79-mile (2.88 km) long circuit of elevated rail that forms the hub of the Chicago "L" system in the United States. As of 2022, the branch served 31,893 passengers every weekday. The Loop is so named because the elevated tracks loop around a rectangle formed by Lake Street, Wabash Avenue (east), Van Buren Street (south), and Wells Street (west). The railway loop has given its name to Chicago's downtown, which is also known as the Loop.
Morgan is a rapid transit station on the Chicago "L"'s Green and Pink Lines in Chicago's Near West Side neighborhood. The current station opened at this location in 2012, where a previous station stood from 1893 to 1949.
Cermak–McCormick Place is a "L" station on the CTA's Green Line. The station, designed by Chicago-based Ross Barney Architects and engineered by Primary Consultant T.Y. Lin International, is located at Cermak Road and State Street in the Near South Side neighborhood of Chicago. The station includes three entrances – one on each side of Cermak Road and one at 23rd Street. The main station entrance is built on the north side of Cermak road.
The Metropolitan main line was a rapid transit line of the Chicago "L" system from 1895 to 1958. It ran west from downtown to a junction at Marshfield station. At this point the Garfield Park branch continued westward, while the Douglas Park branch turned south, and the Logan Square branch turned north with the Humboldt Park branch branching from it. In addition to serving the Chicago "L", its tracks and those of the Garfield Park branch also carried the Chicago Aurora and Elgin Railroad, an interurban that served Chicago's western suburbs, between 1905 and 1953.
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 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.
Damen is an under construction rapid transit station on the Chicago "L"'s Green Line, that will open in mid-2024. A station existed at this location from 1893 to 1948; opened as Robey in 1893, it was one of the original stations on what was then known as the Lake Street Elevated. The removal of the old station created a 1.5-mile (2.4 km) gap between the remaining stations. As the surrounding neighborhood saw an increase in new developments, the need for a replacement station grew. The station will also provide closer access to the United Center sports arena.
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.
Canal was a rapid transit station located on the Metropolitan main line of the Chicago "L" that was in service from 1895 to 1958, when the entire main line was replaced by the Congress Line located in the median of the nearby Eisenhower Expressway. Starting in 1927, the interurban Chicago Aurora and Elgin Railroad (CA&E) also served the station, continuing until 1953. The station connected with Chicago's Union Station, which was one of the city's rail terminals. One of the busiest stations on the Metropolitan's routes, and of the "L" in general, it opened a second entrance on Clinton Street in 1914.
Metra: Ogilvie 
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