United States. Bureau of Public Roads

• Traffic assignment manual for application with a large, high speed computer
• The structural design of flexible pipe culverts
• Analysis of concrete arches
• Automobile registrations, licenses, and revenues in the United States, 1915
• Automobile registrations, licenses, and revenues in the United States, 1916
• Bulletin - United States, Office Of Public Roads, Issues 17-28
• Descriptive catalogue of the road model exhibit
• Descriptive catalogue of the road models of the Office of Public Roads
• Federal aid as a road building policy
• Federal legislation and regulations relating to the improvement of federal-aid roads and national-forest roads and trails, flood relief, and miscellaneous matters
• General instructions to chiefs of party for location surveys on national forest roads and national park roads, 1926
• Information regarding road materials and transportation rates in certain states west of the Mississippi River