The Northwestern Elevated Railroad was the last of the privately constructed rapid transit lines to be built in Chicago. The line ran from the Loop in downtown Chicago north to Wilson Avenue in Chicago's Uptown neighborhood with a branch to Ravenswood and Albany Park that left the main line at Clark Street. The Ravenswood line is now operated as the Brown Line, while the Main Line is used by the Purple and Red Lines.
A wooden 'L' train at Argyle on the newly elevated tracks in 1916
A preserved Northwestern Elevated Railroad car dating from 1907
Belmont
Jarvis
North Side main line
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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.
Brown and Purple Line Express trains run above Franklin Street
The Belmont station under construction in 2007
A temporarily rerouted Red Line train leaves the North Side Main Line and enters the Loop