CTA system map
Bus and train routes
The CTA System Map shows both CTA Bus and Rail lines, as well as connecting services provided by other transit agencies in Chicago and surrounding communities.
Latest edition: January 2022
We're updating our map to add the new #X4 Cottage Grove Express bus route, which begins service August 22, 2022. For detailed information about the new #X4 and where to catch it, see this alert and the route's webpage. We expect to have a new map in digital form, online, very soon.
Web-based clickable map - view in browser
Individual Route Maps, First Bus/Last Bus, Timetables & More
Looking for information about an individual route? Visit our System Guide for individual route maps, schedules, general hours of service, station timetables and more!
‘L’ system map
CTA rail lines
The CTA ‘L’ System map shows train routes only.
RTA regional system map
CTA, Metra & Pace
The Regional Transportation Authority map shows city and suburban transit provided by CTA, Metra, and Pace.
RTA Train Connections diagram
CTA and Metra rail lines
This Regional Transportation Authority map shows a diagram (not to geographical scale) map of all CTA and Metra rail lines and indicates opportunities for connections between them.
RTA Train Connections Map (PDF)
Night Owl map
This map and brochure describes Owl Service (overnight service) for riders who need to travel during overnight hours.
Night Owl Brochure (PDF)