4 Route: Schedules, Stops & Maps - 115th Street Metra Station (North) (Updated)
Web-based downtown map - CTA
Chicago ''L''.org: System Maps - Route Maps
Mapped: Explore our interactive CTA ridership map - Streetsblog Chicago
CTA Train Tracker Map Debuts: New Chicago Train App Shows Your Route In Real-Time | HuffPost Chicago
Chicago's transit-oriented development rules have been extended to bus routes
Good to Know: An Introduction to Chicago's Public Transit System - Corporate Suites Network
CTA Train Routes Closed For Bridge Construction - CBS Chicago
70 Route: Schedules, Stops & Maps - Division & Austin Terminal (Se) (Updated)
The 'L' Through The Years In Maps, Including The Loop Connector That Never Happened
Maps - CTA
List of Chicago Transit Authority bus routes - Wikipedia
Chicago Planners Pinpoint Scaled-Back Locally Preferred Alternative for Circle Line – The Transport Politic
Maps - CTA
Productivity and Route Structure in a Chicago Neighborhood | Itinerant Urbanist
1983 Spring-Summer CHICAGO TRANSIT AUTHORITY CTA ROUTE MAP Train L Subway Bus | eBay
151 Sheridan (Bus Route Info) - CTA
3 King Drive (Bus Route Info) - CTA
Transit Maps: Official Map: Chicago CTA “L” Commuter Rail, 2011
Web-based System Map - CTA
Chicago CTA Train Bus Map (Scanned Image)
Web-based System Map - CTA
Chicago ''L''.org: System Maps - Route Maps
