Illinois supplement to the national manual on uniform traffic control devices.

"Adopted March 1990."

Illinois supplement to the national manual on uniform traffic control devices /

"March 10, 2011."--cover letter.

Policies for use of changeable message signs in highway work zones : final report /

Performing organization: Urban Transportation Center, University of Illinois at Chicago.

Quality standard for work zone traffic control devices, 1998.

These standards, covering highway work zone traffic control devices, were developed for suppliers and contractors doing work for the Illinois Dept. of Transportation.

Traffic control systems in construction workzones /

"Final Report, November 1997-October 1999."

Integrated motorist information system (IMIS) feasibility and design study : phase 1 : feasibility /

Mode of access: Internet.

Delineation of hazards for older drivers.

"July 1997."

Delineation of hazards for older drivers.

"July 1997."

Evaluation of techniques for warning of slow-moving vehicles ahead /

Mode of access: Internet.

Guidelines for the application of arrow boards in work zones /

Mode of access: Internet.

Age effects on symbol sign recognition /

Mode of access: Internet.

Effective warning devices for parked/disabled vehicles : executive summary /

Mode of access: Internet.

Crash tests of single post sign installations using subcompact automobiles /

Mode of access: Internet.

Subregional route choice models with link travel times reflecting intersection flows : final report to Illinois Department of Transportation /

"Report no.: FHWA/IL/RC-008."--Documentation page.

Signing treatments for interchange lane drops /

Final report.