United States System of Highways Map: Adopted for Uniform Marking by the American Association of State Highway Officials, November 11, 1926, with Additions and Amendments Subsequently Approved, 1943
United States. Public Roads Administration. American Association of State Highway and Transportation Officials.
- Contact the Special Collections Research Center for information regarding rights and use of this collection.
- Washington, D.C. : Federal Works Agency, Public Roads Administration
The text may or may not be an accurate representation of the original.