U. S. DEPARTMENT OF COMMERCE
BUREAU OF PUBLIC ROADS
NATIONAL SYSTEM OF INTERSTATE HIGHWAYS
General locations of routes of the National System of Interstate Highways, including additional routes into, through, and around urban areas, submitted by the several State highway departments, as adjusted, and approved by the Commissioner of Public Roads
September 15, 1955
supplementing the National System of Interstate Highways approved by the Administrator, Federal Works Agency, August 2, 1947.
Approved routes, including additions, are shown on the maps herein, one for each urban area. All urban areas on the National System of Interstate Highways not shown in this folio are served by the Interstate routes previously approved passing through or around these urban areas.
| Approved: | 
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| Commissioner of Public Roads | ||
