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 after the New York City Subway and the Washington Metro. As of January 2024, the "L" had 1,480 rail cars operating across eight different routes on 224.1 miles of track. CTA trains make about 1,888 trips each day servicing 146 train stations. In 2023, the system had 117,447,000 rides, or about 416,200 per weekday in the third quarter of 2024.
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 108,303 passengers boarding each weekday in 2023 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 the State Street 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 33,302 passengers boarding each weekday in 2023.
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.
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 the station 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.
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 Red Line, located at 1118 West Argyle Street in the Uptown neighborhood of Chicago, Illinois. It is an elevated station with an island platform. Purple Line weekday rush hour express service passes through this station but does not stop, normally on the outermost tracks, but due to the reconstruction going on until 2025, they currently use the same tracks as Red Line trains.
Foster is a station on the Chicago Transit Authority's 'L' system, on the Purple Line in Evanston, Illinois. It is located at 900 Foster Street, just a few blocks west of Northwestern University's Evanston campus.
Sheridan is an 'L' station on the CTA's Red Line. It is an elevated station with two island platforms, located at 3940 North Sheridan Road, in the Lakeview neighborhood of Chicago's Lakeview community area. Sheridan is the closest 'L' stop to Graceland Cemetery, which is about one-half mile to the west on Irving Park Road. The Sheridan station is one of only two remaining 'L' stations that were built on S-curves; Indiana on the Green Line is the other. Purple Line weekday rush hour express service use the outside tracks but only a certain number of them stop at this station when the Chicago Cubs have weekday evening home games scheduled.
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 1⁄2 mile (0.80 km) to the north, and Berwyn, about 3⁄8 mile (0.60 km) to the south. Four tracks typically pass through the station, but the two western tracks are currently out of service for reconstruction. Normally there is an island platform in the center of the tracks, but currently there is a single side platform 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."
Cermak-Chinatown is an 'L' station on the CTA's Red Line. The station is located in Chicago's Chinatown neighborhood and contains many elements of Chinese culture in its architecture.
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.
Armitage is a Chicago Transit Authority "L" elevated station with two side platforms in the Lincoln Park neighborhood of Chicago, Illinois, on the Brown Line; Purple Line express trains also stop at the station during weekday rush hours. Red Line trains pass through on the middle tracks, but do not stop. Just south of the platforms is where the Red Line tracks descend into the State Street subway. It is located near the Lincoln Park Zoo, and is accessible via the 73 Armitage bus route.
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.
In the spring of 2012, Chicago Transit Authority started a station and track rehabilitation program dubbed "Red Ahead", beginning on the North Side Main Line, which is called the "Red North" project. The program monitors the full route of the Red Line, which does not include the stations of Loyola, Bryn Mawr, Sheridan, or Wilson. Stations between Wilson through Fullerton, and the State Street subway, are also not included. In May 2012, the CTA started to work on the North Side Main Line stations which includes Jarvis, Morse, Granville, Thorndale, Berwyn, Argyle, and Lawrence. The stations are listed in order, starting at Granville, then Morse, Thorndale, Argyle, Berwyn, Lawrence, and finally Jarvis. This project started in June 2012 and completed in December 2012. This project is also part of the Red Ahead's "Red & Purple Modernization" project.
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