Traffic signal control equipment : state of the art - Yauch, Peter J.; American Association of State Highway and Transportation Officials; United States. Federal Highway Administration (Washington, D.C. : Transportation Research Board, National Research Council, 1990)
"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."
"December 1990."
Includes bibliographical references (p. 40).
Keywords: Electronic traffic controls