1975 inhaltl. Gliederung in Sect. 1: Vehicles, drivers & fuels; Sect. 2: State highway finance; Sect. 3: Local highway finance; Sect. 4: Roadway
Urh. 8.1952 - 20.1964: US Department of Commerce, Bureau of Public Roads; 21.1965 - 59.2003: US Department of Transportation, Federal Highway Administration
1975 inhaltl. Gliederung in Sect. 1: Vehicles, drivers & fuels; Sect. 2: State highway finance; Sect. 3: Local highway finance; Sect. 4: Roadway
Urh. 8.1952 - 20.1964: US Department of Commerce, Bureau of Public Roads; 21.1965 - 59.2003: US Department of Transportation, Federal Highway Administration