Traffic-control devices for passive railroad-highway grade crossings - Lerner, Neil D.; Tucker, Larry 1957-.; American Association of State Highway and Transportation Officials; National Research Council (U.S.). Transportation Research Board (Washington, D.C. National Academy Press, 2002)
At head of title: National Cooperative Highway Research Program.
"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."
"Transportation Research Board - National Research Council."
Includes bibliographical references (p. 57-58).
Keywords: Traffic signs and signals; Highway capacity; Railroad crossings. -- Safety measures; Roads -- Design and construction -- Safety measures