City of Chicago City of Chicago Mayor's Office
Chicago Department of Transportation Real time traffic information.
Chicago Airport System Chicago Department of Aviation
Chicago Mosaic - Tourism Chicago Office of Tourism
Chicago Neighborhood Tours Travel the world in Chicago! Take a 4-hour tour with Chicago Neighborhood Tours, departing Saturdays from the Chicago Cultural Center. email: info@chgocitytours.com
State of Illinois
Enjoy Illinois Illinois Office of Tourism email: tourism@commerce.state.il.us
Hotel-Motel Association of Illinois. email: hmai@interaccess.com
Metra Metropolitan Rail Commuter Service
South Shore Line Northern Indiana Commuter Transportation District email: webmaster@nictd.com
Pace Pace Suburban Bus System email: passenger.services@pacebus.com
RTA Regional Transportation Authority email: communications@rtachicago.org
www.RTAMS.org Regional Transportation Asset Management System email: webmaster@rtams.org