Chicagoland
- New Cook County link
- Old Cook County link
- Chicago
- GIS Consortium Covering Glenview, Winnetka, Glencoe, Northbrook, Wheeling, Morton Grove, Skokie, Des Plaines, Park Ridge, Lincolnwood, Elk Grove Village, Norridge, Riverside, Tinley Park
- Schaumburg
- Arlington Heights
- DuPage County
- GIS Consortium Covering Glen Ellyn, Oak Brook, Woodridge
- City of Naperville
- Kane County
- Kendall County
- Lake County
- GIS Consortium Covering Mundelein, Lake Forest, Lincolnshire, Buffalo Grove, Deerfield, Highland Park
- McHenry County
- GIS Consortium Covering Crystal Lake
- Will County
- Older Kennedy Revesible times
- Newer Kennedy Revesible times with Friday Change
Downstate Counties
Note: links are GIS resources unless otherwise indicated
- Sites marked with a $ have fee based access.
- Adams
- [Alexander]
- [Bond]
- Boone
- [Brown]
- [Bureau]
- [Calhoun]
- Carroll
- Cass
- Champaign
- Christian
- Clark
- Clay
- Clinton
- Coles
- Crawford
- Cumberland
- De Witt
- DeKalb
- Douglas
- Edgar
- [Edwards]
- Effingham
- Fayette
- Ford
- Franklin$
- [Fulton]
- [Gallatin]
- [Greene]
- Grundy
- Hamilton
- [Hancock]
- [Hardin]
- [Henderson]
- Henry
- [Iroquois]
- Jackson
- [Jasper]
- Jefferson
- Jersey
- Jo Daviess
- [Johnson]
- Kankakee
- Knox
- [LaSalle]
- Lawrence
- Lee
- Livingston $
- Logan
- Macon
- Macoupin
- Madison
- Marion
- [Marshall]
- Mason
- Massac
- McDonough
- McLean (Silverlight)
- McLean County (html5)
- Menard
- [Mercer]
- Monroe
- Montgomery
- Morgan 1 | Morgan 2
- Moultrie
- Ogle
- Peoria
- [Perry]
- Piatt
- [Pike]
- [Pope]
- [Pulaski]
- Putnam
- Randolph
- Richland
- Rock Island
- [Saline]
- Sangamon
- Schuyler
- [Scott]
- Shelby
- St. Clair
- [Stark]
- Stephenson (use Winnebago County's GIS & pan left)
- Tazewell
- [Union]
- Vermilion
- [Wabash]
- [Warren]
- [Washington]
- [Wayne]
- White
- Whiteside
- Williamson
- Winnebago
- Woodford