Arizona. Highway Department. Division of Economics and Statistics

Identifiers

Open LibraryOL13846710A

Top Subjects

Roads (1)
Arizona (1)

Books by Arizona. Highway Department. Division of Economics and Statistics

Total count: 2

Numerical ratings for Arizona federal-aid highway system as of Jan. 1, 1948Numerical ratings for Arizona state highways not on federal-aid system as of Jan. 1, 1948

The Dept.1948-01-01
Downhill speeds of trucks on mountain grades

Highway Department1950-01-01