Final report.
By: Study conducted under the sponsorship of Commonwealth of Pennsylvania, Dept. of Highways, county of Allegheny [and] city of Pittsburgh in cooperation with U. S. Dept. of Commerce, Bureau of Public Roads.
Publisher: Pittsburgh Area Transportation Study
Published: 1961
Place of publication: [Pittsburgh]
Language: eng
Subjects: Traffic engineering -- Pennsylvania -- Pittsburgh Metropolitan Area.
Notes: Bibliographical footnotes.