Photographic enforcement of traffic laws - Blackburn, R. R. (Robert R.); Gilbert, Daniel T.; National Cooperative Highway Research Program; National Research Council (U.S.). Transportation Research Board; American Association of State Highway and Transportation Officials; United States. Federal Highway Administration (Washington, D.C. National Academy Press, 1995)
At head of title: National Cooperative Highway Research Program.
"Transportation Research Board, National Research Council."
"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."
Includes bibliographical references (p. 41-42).
Keywords: Radar in speed limit enforcement -- United States; Traffic regulations -- United States