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 Chicago Aurora and Elgin Railroad (CA&E), known colloquially as the "Roarin' Elgin" or the "Great Third Rail", was an interurban railroad that operated passenger and freight service on its line between Chicago and Aurora, Batavia, Geneva, St. Charles, and Elgin, Illinois. The railroad also operated a small branch to Mt. Carmel Cemetery in Hillside and owned a branch line to Westchester.
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.
Harlem/Lake, announced as Harlem, is a station on the Chicago Transit Authority's 'L' system, serving the Green Line. It is the northwestern terminus of the Green Line.
Harlem is a Chicago "L" station serving the Blue Line's O'Hare branch in Chicago's Norwood Park neighborhood. It is not to be confused with the other Harlem Blue Line station. Trains run from Harlem every 2–7 minutes during rush hour, and take 30–45 minutes to travel to the Loop. O'Hare-bound trains take 10 minutes to reach the airport from Harlem. The station is located in the median of the Kennedy Expressway.
Racine is an 'L' station on the CTA's Blue Line. The station serves the Near West Side neighborhood and the western end of the UIC campus.
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.
Cicero 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 and serving the Austin neighborhood. Originally, Cicero had an additional entrance at Lavergne Avenue, but this was closed on May 16, 1977, by the CTA as a cost-cutting measure. The structure for this exit still stands but it is closed to the public.
Austin is a station on the 'L' system, serving the Blue Line's Forest Park branch. It is located at Austin Boulevard alongside the Eisenhower Expressway in Oak Park, Illinois. The station has an auxiliary entrance/exit at Lombard Avenue. After CTA Blue Line trains pass the station, the CTA line splits away from the Baltimore and Ohio Chicago Terminal Railroad lines letting the CTA Blue Line continue into Chicago afterwards.
Harlem is a station on the 'L' system, serving the Blue Line's Forest Park branch in Forest Park, Illinois. The station was built with an auxiliary entrance at Circle Avenue that was eventually converted to an single turnstile facility. The Circle Avenue entrance reopened as an auxiliary entrance/exit on September 26, 2009, at 4 PM. To the south of the station is the Ferrara Candy Company A Roos chest-making factory was located west of the station and Circle Avenue until it was torn down in 2013 to make way for a new recreation park that opened there in 2018. The Roos company closed for good in 1951.
Forest Park is a station on the Chicago Transit Authority's 'L' system, located in the village of Forest Park, Illinois and serving the Blue Line. Before the Congress Line was built, it served as terminal for the Garfield Line. It is the western terminus of the Forest Park branch. The station was known as Des Plaines until 1994. It is also referred to as the Forest Park Transit Center by Pace because it is a major terminal for Pace buses. The station contains a 1,051-space Park and Ride lot which uses the "Pay and Display" system, in which fees are paid at the lot entrance. It is located south of the Baltimore and Ohio Chicago Terminal Railroad tracks which curve to the north of the station towards Madison Street where the line rechristens itself to the Canadian National Railway's Waukesha Subdivision.
The Jefferson Park Transit Center is an intermodal passenger transport hub in the Jefferson Park neighborhood of Chicago, Illinois. It serves as a station for rail and also as a bus terminal. Jefferson Park Transit Center's railroad station is on Metra's Union Pacific Northwest Line, with the station located at 4963 North Milwaukee Avenue. Jefferson Park is 9.1 miles (14.6 km) away from Ogilvie Transportation Center in downtown Chicago, the inbound terminus of the Union Pacific Northwest Line. Under Metra's zone-based fare system, Jefferson Park is in zone 2. As of 2018, Jefferson Park is the 97th busiest of Metra's 236 non-downtown stations, with an average of 510 weekday boardings.
Kostner is an abandoned rapid transit station in the West Garfield Park neighborhood of Chicago, Illinois. The station served the Chicago Transit Authority's Congress Line, which is now part of the Blue Line. Kostner opened on August 5, 1962; it was one of two stations on the Congress Line which was not opened with the line on June 22, 1958. The station closed on September 2, 1973, due to low ridership.
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 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.
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 Chicago Aurora and Elgin Railroad (CA&E), an interurban, between 1905 and 1953.
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.
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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