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 second-busiest rapid transit system in the United States, after the New York City Subway. 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 322,200 per weekday in the first quarter of 2023.
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.
The Metropolitan West Side Elevated Railroad was the third elevated rapid transit line to be built in Chicago, Illinois. It was the first of Chicago’s elevated lines to be electrically powered. The main line ran from downtown Chicago to Marshfield Avenue, with branches to Logan Square, Humboldt Park, Garfield Park, and Douglas Park. Portions of the system are still operated as sections of the Blue Line and the Pink Line.
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.
The Northwestern Elevated Railroad was the last of the privately constructed rapid transit lines to be built in Chicago. The line ran from the Loop in downtown Chicago north to Wilson Avenue in Chicago's Uptown neighborhood with a branch to Ravenswood and Albany Park that left the main line at Clark Street. The Ravenswood line is now operated as the Brown Line, while the Main Line is used by the Purple and Red Lines.
29th was a rapid transit station on the Chicago "L"'s South Side main line. Originally constructed by the South Side Elevated Railroad company, it was one of the original ten stations opened on the Chicago "L", beginning service on June 6, 1892. The South Side Elevated Railroad merged operations with three other companies to form Chicago Elevated Railways (CER) in 1911, before merging outright with them in 1924 to form the Chicago Rapid Transit Company (CRT). Public ownership came to the "L" in 1947 with the Chicago Transit Authority (CTA).
The Kenwood branch was a rapid transit line which was part of the Chicago 'L' system from 1907 to 1957. The branch served the Kenwood neighborhood of Chicago and consisted of six elevated stations. It opened on September 20, 1907 and closed on December 1, 1957.
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 Logan Square branch was an elevated rapid transit line of the Chicago "L", where it was one of the branches of the Metropolitan West Side Elevated Railroad. Diverging north from the Metropolitan's main line west of Marshfield station, it opened in 1895 and served Chicago's Logan Square and West Town neighborhoods. North of Damen station, the Humboldt Park branch diverged from the Logan Square branch, going west to serve Humboldt Park. The original Logan Square branch was separated into several sections in 1951, some of which remain in revenue service as of 2023.
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.
Marshfield was a rapid transit station on the Chicago "L". Constructed by the Metropolitan West Side Elevated Railroad, it was the westernmost station of the Metropolitan's main line, which then diverged into three branches: the northwestern Logan Square branch, the western Garfield Park branch, and the southwestern Douglas Park branch. The station was in service from 1895 to 1954, when it, alongside the main line and the Garfield Park branch, was demolished to make way for the Eisenhower Expressway and rapid-transit Congress Line in its median. In addition to its use on the "L", Marshfield was served by the Chicago Aurora and Elgin Railroad (CA&E), an interurban that used the Garfield Park branch and main line's tracks, between 1905 and 1953.
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.
Laflin was a rapid transit station operated by the Chicago "L"'s Metropolitan West Side Elevated Railroad and located on its main line. The station existed from 1895 to 1951, when it was closed due to low ridership. The entire main line would soon be demolished for construction of the Eisenhower Expressway and its Congress Line, and the niche served by the Laflin would be filled by an entrance on the new line's Racine station.
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.
Division was a rapid transit station on the Chicago "L"'s Logan Square branch, one of several branches of the Metropolitan West Side Elevated Railroad. Located on Division Street, the station was constructed by the Metropolitan in the early 1890s and began service on May 6, 1895.
Chicago was a rapid transit station on the Logan Square branch of the Chicago "L", one of the several branches of the Metropolitan West Side Elevated Railroad, between 1895 and 1951. Located on Chicago Avenue, the station was constructed by the Metropolitan in the early 1890s and began service on May 6, 1895.
Grand was a rapid transit station on the Chicago "L"'s Logan Square branch, one of the several branches of the Metropolitan West Side Elevated Railroad. Located on Grand Avenue, the station was constructed by the Metropolitan in the early 1890s and began service on May 6, 1895.
St. Louis was a rapid transit station on the Chicago "L" between 1895 and 1953. It was constructed by the Metropolitan West Side Elevated Railroad and served its Garfield Park branch. The Chicago Aurora and Elgin Railroad (CA&E), an interurban serving Chicago's western suburbs, also used the Garfield Park branch's tracks in 1905. To accommodate the mixing of the fast interurban and slow "L" service on a two-track line, two crossovers were installed on either side of the St. Louis station to let CA&E trains pass "L" trains in 1911.
