The Chicago Department of Transportation is building a new website that offers an array of taffic information about 300 miles of arterial streets citywide.
Links:
[1] http://www.library.northwestern.edu/libraries-collections/evanston-campus/transportation-library
[2] http://www.chicagotribune.com/classified/automotive/traffic/ct-met-getting-around-1107-20111107,0,5227590.column
[3] http://www.library.northwestern.edu/related-pages/chicago-traffic-information