The Blue Line consists of a 19.5 miles (31.4 km) long trunk line in the Chicago Transit Authority's rapid transit system which extends through Chicago's Loop from O'Hare International Airport at the far northwest end of the city, through downtown via the Milwaukee-Dearborn-Congress subway, and across the West Side to its southwest end at Forest Park (Congress). It is the CTA's second busiest rail line, with an average weekday ridership of 154,012...
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The Blue Line consists of a 19.5 miles (31.4 km) long trunk line in the Chicago Transit Authority's rapid transit system which extends through Chicago's Loop from O'Hare International Airport at the far northwest end of the city, through downtown via the Milwaukee-Dearborn-Congress subway, and across the West Side to its southwest end at Forest Park (Congress). It is the CTA's second busiest rail line, with an average weekday ridership of 154,012 as of October 2009. The route's full length is 34.6 miles (55.7 km) with a total of 34 stations.
The Blue Line and Red Line are the only two routes on the CTA rail system to presently run 24 hours a day. Service to 54th/Cermak no longer operates. The CTA Pink Line serves all stations on the 54th and Cermak branch. The Blue Line is also the only line with more than one station with the same name. It has two Harlem stations: one in the Kennedy Expressway on the Northwest side, and one on the south side of the Eisenhower Expressway on the West...
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