Origin-destination traffic survey, Seattle metropolitan area
By: Conducted by the State of Washington Dept. of Highways in cooperation with Seattle governmental units and the U.S. Public Roads Administration.
Contributors: Seattle (Wash.). Engineering Dept.; United States. Public Roads Administration.
Published: 1947
Place of publication: [Olympia
Language: eng
Number of pages: 69
Subjects: Traffic surveys -- Washington (State) -- Seattle.