Line features representing the average daily traffic flow (ADT) volumes in 1970 at key interchanges on the Illinois Tollway. Attributes include name of tollway, segment, vehicle count, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI Shapefile.

Line features representing the average daily traffic flow (ADT) volumes in 2000 at key interchanges on the Illinois Tollway. Attributes include name of tollway, segment, vehicle count, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI Shapefile.

Line features representing the average daily traffic flow (ADT) volumes in 2001 at key interchanges on the Illinois Tollway. Attributes include name of tollway, segment, vehicle count, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI Shapefile.

Line features representing the average daily traffic flow (ADT) volumes in 2002 at key interchanges on the Illinois Tollway. Attributes include name of tollway, segment, vehicle count, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI Shapefile.

Line features representing the average daily traffic flow (ADT) volumes in 2003 at key interchanges on the Illinois Tollway. Attributes include name of tollway, segment, vehicle count, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI Shapefile.

Line features representing the average daily traffic flow (ADT) volumes in 2004 at key interchanges on the Illinois Tollway. Attributes include name of tollway, segment, vehicle count, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI Shapefile.

Line features representing the average daily traffic flow (ADT) volumes in 2005 at key interchanges on the Illinois Tollway. Attributes include name of tollway, segment, vehicle count, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI Shapefile.

Point features representing locations of bridges along the Tollway. Attributes include name of bridge, deck width, crossing and structure type and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Point. Format is ESRI Shapefile.

US Congressional districts for the state of Illinois as drawn by the state General Assembly in late 2001 and approved in 2002. Attributes include district name, home city, representatives, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Polygon. Format is ESRI Shapefile.

Illinois state house of representative district Boundaries for the eleven-county area that the Illinois Tollway system is within. Attributes include district number and demographic information from the 1990 census. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Polygon. Format is ESRI Shapefile.

Locations of interchanges along the Illinois Tollway system. Attributes include name, nearest milepost, nearest tollway and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Point. Format is ESRI Shapefile.

Mainline plazas are defined as toll plazas which are located on mainline segments of the Illinois Tollway and collect tolls from all vehicles passing through the plaza. Attributes include plaza name, plaza number, mile post, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Point. Format is ESRI Shapefile.

This dataset shows the locations of the Illinois Tollway maintenance yard locations. Attributes include location, yard ID, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Point. Format is ESRI Shapefile.

Location of milestone markers placed along the Illinois Tollway. Attributes include milepost, nearest tollway and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Point. Format is ESRI Shapefile.

Locations of over-the-road pavilions along the Illinois Tollway system. Attributes include oasis name, nearest milepost, nearest tollway and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Point. Format is ESRI Shapefile.

This dataset shows the locations of radio tower structures owned by the Illinois Tollway. Attributes include common name, height, site location, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Point. Format is ESRI Shapefile.

Locations of barrier plazas where tolls are collected. Attributes include location, nearest milepost, nearest tollway and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Point. Format is ESRI Shapefile.

Location of on and off ramps along the Illinois Tollway. Attributes include direction, route, nearest milepost, nearest tollway and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI Shapefile.

Linear features representing the Illinois Tollway system Attributes include Tollway name and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI File Based Geodatabase.

Illinois state senate district Boundaries for the eleven-county area that the Illinois Tollway system is within. Attributes include senator name, district number and demographic information from the 1990 census. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Polygon. Format is ESRI Shapefile.

This dataset shows the locations of ramps along the I-355 South Extension. Attributes include tollway ID, interchange, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Line. Format is ESRI Shapefile.

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This dataset shows the locations of CORS stations in the Kara Company network that are owned by the Illinois Tollway. Attributes include relative and absolute location, station code, and others. Coordinate system is NAD_1983_StatePlane_Illinois_East. Geometry type is Point. Format is ESRI Shapefile.