Driver behavior study:
operating speeds and speed distribution on rural highways, 1950 & 1951.
State of New York, Department of Public Works, Bureau of Highway Planning, Vehicle Operation Research in cooperation with the U.S. Bureau of Public Roads.

APA Citation

New York (State). Dept. of Public Works. Bureau of Highway Planning. (1952). Driver behavior study: operating speeds and speed distribution on rural highways, 1950 & 1951. Albany?.

MLA Citation

New York (State). Dept. of Public Works. Bureau of Highway Planning. Driver Behavior Study: Operating Speeds And Speed Distribution On Rural Highways, 1950 & 1951. Albany?, 1952.

Warning: These citations may not always be complete (especially for serials).