Office of Operations Freight Management and Operations

Freight Facts and Figures 2008

Figure 3-7. Major Truck Routes on the National Highway System: 2035

The number of NHS miles carrying large volumes and high percentages of trucks is forecast to increase dramatically by 2035.  Segments with more than 10,000 trucks per day and where at least every fourth vehicle is a truck are forecast to exceed 14,000 miles, an increase of almost 230 percent from 2002.


Figure 3-7. U.S. map showing high volume, high truck percentage routes between California cities, fI-80 in Wyoming, much of I-40 and I-10 across the country, and most intercity highways in the East; high volume, low truck percentage routes in Southern California, the Bay Area, Chicago, Texas, central Alabama, and North Carolina to Boston; and low volume, high truck percentage routes throughout the Great Plains and the Far West.

[JPEG 421KB, PDF 2.2MB]


AADTT is average annual daily truck traffic, and includes freight-hauling long-distance trucks, freight-hauling local trucks, and other trucks with six or more tires. AADT is average annual daily traffic, and includes all motor vehicles.


U.S. Department of Transportation, Federal Highway Administration, Office of Freight Management and Operations, Freight Analysis Framework, version 2.2, 2007.



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