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.
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.
Damen is a rapid transit station on the Chicago "L", currently serving the O'Hare branch of its Blue Line. Opened on May 6, 1895, as Robey, it is the oldest station on the Blue Line. The station serves the popular Bucktown and Wicker Park neighborhoods, and is consistently in the top 40 highest-ridership "L" stations. It has two wooden side platforms and a brick station house at street level. The west platform, serving southbound trains, contains a tower that has never been used but is a relic of the station's past. The station is served by three bus routes on Damen, Milwaukee, and North Avenues, which are each descended from streetcar lines on those streets in the early 20th century. The Blue Line has owl service; while the surrounding streetcar lines also had owl service in the early 20th century, the modern bus services do not.
Western is a station on the 'L' system, serving the Blue Line's Forest Park branch. It is located in the median of the Eisenhower Expressway. It serves the Near West Side neighborhood and Crane Tech High School. The station is also located about 1 mile (1.6 km) north of the Western Avenue commuter railroad station.
Pulaski is a station on the Chicago 'L' system, serving the Blue Line's Forest Park branch. The station is located in the median of the Eisenhower Expressway and serves the West Garfield Park neighborhood. A long ramp connects the platform to the station house on the Pulaski Road overpass. There was originally a similar entrance from the Keeler Avenue overpass; the entrance from Keeler was closed to cut costs on January 15, 1973, but retained as an exit, and the exit was fully closed on December 28, 1978. The structure for this exit still stands but it is closed to the public.
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 Cermak branch, formerly known as the Douglas branch, is a 6.6 mi (10.6 km) long section of the Pink Line of the Chicago "L" system in Chicago, Illinois. It was built by the Metropolitan West Side Elevated west of the Loop. As of February 2013, it serves an average of 17,474 passengers every weekday. The branch serves the Near West Side, Pilsen, Lower West Side, South Lawndale, and North Lawndale neighborhoods of Chicago, and the west suburb Cicero, Illinois. The branch operates from 4:05 a.m. to 1:25 a.m., weekdays, and Saturdays from 5:05 a.m. to 1:25 a.m., and Sundays from 5:00 a.m. to 1:25 a.m., including holidays.
The Garfield Park Branch was a rapid transit line which was part of the Chicago "L" system from 1895 to 1958. The branch served Chicago's Near West Side, East Garfield Park, West Garfield Park, and Austin neighborhoods, and the suburbs of Oak Park, and Forest Park, and consisted of twenty-two stations. It opened on June 19, 1895 and closed on June 22, 1958, when it was replaced by the Congress branch of the Blue Line.
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" in service between 1895 and 1954. 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. Marshfield was also served by the Aurora Elgin and Chicago Railway (AE&C) and its descendant the Chicago Aurora and Elgin Railroad (CA&E), an interurban, 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.
Roosevelt, originally 12th, was a rapid transit station on the Chicago "L"'s Douglas Park branch between 1896 and 1952. Constructed by the Metropolitan West Side Elevated Railroad, it was one of the first stations opened on the branch in April 1896.
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.
Kedzie was a rapid transit station on the Chicago "L", serving the Garfield Park branch of its Metropolitan West Side Elevated Railroad, from 1895 to 1958. Between 1905 and 1953, it also served the Chicago Aurora and Elgin Railroad (CA&E), an interurban using Garfield Park tracks, between 1905 and 1953.
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