Traffic survey report of the Mahoning Valley Metropolitan Area, 1950
By: conducted by the Ohio Department of Highways, Bureau of Planning and Programming, Highway Planning Survey in cooperation with the city of Youngstown, Ohio, the city of Warren, Ohio, the city of Niles, Ohio, and U.S. Department of Commerce, Bureau of Public Roads
Publisher: Ohio Department of Highways
Published: 1951
Place of publication: Columbus]
Language: eng
Number of pages: 117
Subjects: Traffic surveys