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 Red Line is a rapid transit line in Chicago, run by the Chicago Transit Authority (CTA) as part of the Chicago "L" system. It is the busiest line on the "L" system, with an average of 93,457 passengers boarding each weekday in 2022. The route is 26 miles (42 km) long with a total of 33 stations. It runs elevated from the Howard station in the Rogers Park neighborhood on the North Side, through a subway on the Near North Side, Downtown, and the South Loop, and then through the Dan Ryan Expressway median to 95th/Dan Ryan in the Roseland neighborhood on the South Side.
The Brown Line of the Chicago "L" system, is an 11.4-mile (18.3 km) route with 27 stations between Chicago's Albany Park neighborhood and downtown Chicago. It runs completely above ground and is almost entirely grade-separated. It is the third-busiest 'L' route, with an average of 28,315 passengers boarding each weekday in 2022.
The Purple Line of the Chicago "L" is a 3.9-mile (6.3 km) route on the northernmost section of the system. The service normally begins from Linden in Wilmette and ends at Howard on Chicago's north border, passing through the city of Evanston.
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.
Quincy is a rapid transit station on the Chicago "L" system. It is located between the Washington/Wells and LaSalle/Van Buren stations on the Loop. The station is located above the intersection of Quincy Street and Wells Street in downtown Chicago, Illinois. Having opened in 1897, it is one of the oldest surviving stations on the 'L' system.
Berwyn is a temporarily closed 'L' station on the CTA's Red Line. It is located at 1121 West Berwyn Avenue in the Edgewater neighborhood of Chicago, Illinois. The adjacent stations are Bryn Mawr, located about 3⁄8 mile (0.60 km) to the north, and Argyle, about 1⁄3 mile (0.54 km) to the south, both still in service and serving as alternate stations. Four tracks pass through the station, but there is only single island platform in the center of the tracks. The two western tracks are temporarily out of service for construction and trains on both the Red and Purple Lines pass Berwyn on the eastern tracks without stopping. When it reopens, it will consist of an island platform with Red Line trains stopping on the inner tracks and Purple Line Express trains bypassing the station on the outer tracks. Berwyn is named for the Berwyn station in the community of the same name, which is west of Philadelphia. Many of the roads in the Edgewater neighborhood are named after stations on the former Pennsylvania Railroad Main Line.
Loyola is a station on the Chicago Transit Authority's 'L' system, served by the Red Line. It is located at 1200 West Loyola Avenue in the Rogers Park neighborhood of Chicago, Illinois. The station has high ridership by students from the nearby Lakeshore Campus of Loyola University Chicago. The Red Line right-of-way runs directly through the southwest corner of the campus. Purple Line weekday rush hour express service use the outside tracks but do not stop at this station.
Belmont is an 'L' station serving the CTA's North Side Main Line. It is served at all times by the Red and Brown Lines, and by the Purple Line Express during weekday rush hours. It is located at 945 West Belmont Avenue in the Lakeview neighborhood of Chicago, Illinois. It is an elevated station with two island platforms serving four tracks; Brown and Purple Line trains share the outer tracks while Red Line trains run on the inner tracks. Along with residential areas, the neighborhood surrounding Belmont contains many eclectic shops, bars, and restaurants and active nightlife. The station is one of the more heavily utilized on the system serving as a busy transfer point, and also as a terminal when the Brown Line operates as a shuttle service to and from Kimball late at night and early in the morning. It is nearly identical to Fullerton, minus the terminal status.
Argyle is a station on the Chicago Transit Authority's 'L' system. It is situated between the Berwyn and Lawrence stations on the Red Line, which runs from Rogers Park at Chicago's northern city limits, through downtown Chicago, to Roseland. It is an elevated station with an island platform. Located at 1118 West Argyle Street in the West Argyle Street Historic District of Chicago's Uptown community area. Purple Line weekday rush hour express service passes through this station but does not stop, normally on tracks outside the Red line tracks, but due to the reconstruction going on until 2025, they currently use the same tracks as Red Line trains.
Addison is a Chicago "L" station on the Chicago Transit Authority Red Line. It is located in the Wrigleyville area of the Lakeview neighborhood of Chicago, Illinois, at 940 West Addison Street with city block coordinates at 3600 North at 940 West. Addison directly serves Wrigley Field, home of Major League Baseball's Chicago Cubs. The station is within the shadow of the historic baseball stadium, which was built with convenient access to the "L".
Jarvis is an 'L' station on the CTA's Red Line, located at 1523 W. Jarvis Avenue in the Rogers Park neighborhood of Chicago, Illinois.
Thorndale is an 'L' station on the CTA's Red Line. It is located at 1118 West Thorndale Avenue in the Edgewater neighborhood of Chicago, Illinois. The adjacent stations are Granville, located about one quarter mile to the north, and Bryn Mawr, about one half mile to the south. Four tracks pass through the station, but there is only a single island platform in the center of the tracks; Purple Line weekday rush hour express service use the outside tracks but do not stop at this station.
Wilson is an 'L' station on the CTA's North Side Main Line, located at 4620 North Broadway in the Uptown neighborhood of Chicago, Illinois. It is served at all times by the Red Line and by the Purple Line on weekdays at rush hour.
Fullerton is an 'L' station on the CTA's North Side Main Line. It is served at all times by Red and Brown Line trains; Purple Line Express trains also stop at the station during weekday rush hours. It is an elevated station with two island platforms, serving four tracks, located in the Lincoln Park neighborhood in Chicago, Illinois. Brown and Purple Line trains share the outer tracks while Red Line trains run on the inner tracks. As well as being an important transfer station, the station serves the Lincoln Park Campus of DePaul University.
Bryn Mawr is an 'L' station on the CTA's Red Line. It is located at 1119 West Bryn Mawr Avenue in the Bryn Mawr Historic District of the Edgewater neighborhood of Chicago, Illinois. The adjacent stations are Thorndale, located about one half mile to the north, and Berwyn, about three eighths of a mile to the south. Four tracks pass through the station, but the two western tracks are currently out of service for reconstruction. There is an island platform in the center of the tracks which currently only serves southbound trains; Purple Line weekday rush hour express service pass through the station on the same tracks used by the Red Line but do not stop. The name "Bryn Mawr" comes from the SEPTA Regional Rail station located northwest of Philadelphia in the community of the same name. The name came to the area in the 1880s by Edgewater developer John Lewis Cochran, and is Welsh for "Big Hill."
Lawrence is a temporarily closed 'L' station on the Chicago Transit Authority's Red Line. It is an elevated station located at 1117 West Lawrence Avenue in the Uptown neighborhood of Chicago, Illinois. The adjacent stations are Argyle, located about 1⁄3 mile (0.54 km) to the north, and Wilson, about 1⁄4 mile (0.40 km) to the south, serving as alternate stations remaining open while Lawrence is closed for reconstruction. Four tracks pass through the station, though the two western tracks are out of service for reconstruction with all trains passing through without stopping on the two eastern tracks. Prior to demolition in 2021, there was a single island platform in the center of the tracks; Purple Line weekday rush hour express service used the outside tracks and did not stop.
Wellington is a Chicago 'L' station on the Chicago Transit Authority (CTA) Brown Line; Purple Line express trains also stop at the station during weekday rush hours. It is an elevated station with four tracks and two side platforms, located at 945 West Wellington Avenue in the Lakeview neighborhood of Chicago, Illinois. Red Line trains pass through the station on the middle tracks, but do not stop. The station closed for renovations from March 30, 2008, until July 30, 2009.
Diversey is an 'L' station on the CTA Brown Line; Purple Line express trains also stop at the station during weekday rush hours. It is an elevated station with two side platforms, located in the Lincoln Park neighborhood of Chicago, Illinois. Red Line trains pass through the station on the middle tracks, but do not stop.
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.
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