Urban travel patterns for hospitals, universities, office buildings, and capitols - Keefer, Louis E.; Witheford, David K. (Washington, D.C. Highway Research Board, Division of Engineering, 1969)
"NCHRP project 7-1 FY '65."
Research sponsored by the American Association of State Highway Officials in cooperation with the Bureau of Public Roads.
"References and annotated bibliography": p. 137-144.
Keywords: Traffic surveys -- United States