Metra Outlines Station, Track, Signaling Improvement Plans - Railway Track and Structures
Jersey Mike's Rail Adventures: 21-12-02 PHOTOS: Milwaukee North Line Express
Metra: Chicago's Towers - Railfan & Railroad Magazine
Data analysis found CTA has only been running about half its schedule Blue Line runs : r/chicago
Maps - CTA
Metra Chicago-Public-Transportation-Map | Chicago neighborhoods map, Chicago map, Chicago tourist
Express Train to O'Hare? We Already Have One and It's Called The Blue Line - Streetsblog Chicago
Instead of extending the Red Line, some see promise in the Metra Electric - The Chicago Reporter
The CTA Has Interesting Ideas For a Blue Line Extension Sitting on the Shelf – Chicago Magazine
Public Transit | Chicago O'Hare International Airport (ORD)
MARTA
Active Transportation Alliance
Metra's Unbuilt STAR Line
Public Transit | Chicago O'Hare International Airport (ORD)
O'Hare station - Wikipedia
Blue Line (Route info, alerts & schedules) - CTA
Chicago Metro Blue Line Stops (O'Hare – Forest Park Line)
Montrose station (CTA Blue Line) - Wikipedia
Link CTA, Metra to cut commuting costs, boost South Side, south suburbs: Ed Zotti - Chicago Sun-Times
Maps - CTA
Metra proposes changes to fares, 10-ride pass as commuters wane | WBEZ Chicago
Chicago Planners Pinpoint Scaled-Back Locally Preferred Alternative for Circle Line – The Transport Politic
Chicago ''L''.org: Stations - Jefferson Park
Metro Blue Line will become the A Line when it reopens - Los Angeles Times
Stations & Map | South Shore Line
