Survey of driver's opinion about work zone traffic control on a rural highway : a report of the findings of investigation of speed control methods in work zones
Print Book, English, [1990]
[Illinois Dept. of Transportation], [Springfield, Ill.], [1990]
vi, 59 pages : illustrations ; 28 cm
24498505
Cover title
"Conducted by the Dept. of Civil Engineering, Engineering Experiment Station, University of Illinois at Urbana-Champaign for the Illinois Dept. of Transportation in cooperation with the U.S. Dept. of Transportation, Federal Highway Administration."
"October 1990."
"Project IHR-014 Illinois Cooperative Highway Research Program."
"UILU-ENG-91-2007."