Some useful websites. More to come.

Illinois Tollway (Illinois State Tollway Highway Authority)

http://www.illinoistollway.com/homepage

Metra (Northeast Illinois Regional Commuter Railroad Corp.)

https://metrarail.com/metra/en/home.html

Chicago Transit Authority

http://www.transitchicago.com/

Pace Suburban Bus

http://www.pacebus.com/

Regional Transportation Authority

http://www.rtachicago.com/