Highway safety proceedings of the second western summer meeting sponsored by the Highway Research Board and cosponsored by the Utah Dept. of Highways, Aug. 11-13, 1969, Salt Lake City, Utah. - National Research Council (U.S.). Highway Research Board; Utah. State Dept. of Highways (Washington,D.C. Highway Research Board, 1970)
Includes bibliography.
Keywords: Traffic safety -- United States -- Congresses