Office of Operations Freight Management and Operations

Major Truck Routes on the National Highway System: 2040 Map

U.S. map with projected figures for 2040 showing high volume, high percentage of truck routes between California cities, I-80 in Wyoming, much of I-40 and I-10 across the country, and most intercity highways in the East; high volume, low percentage of truck routes in Southern California, the Bay Area, Chicago, Texas, central Alabama, and North Carolina to Boston; and low volume, high percentage of truck routes throughout the Great Plains and the Far West.

High-Resolution Images


AADTT is average annual daily truck traffic and includes all freight-hauling and other trucks with six or more tires. AADT is average annual daily traffic and includes all motor vehicles. NHS mileage as of 2011, prior to MAP-21 system expansion.


U.S. Department of Transportation, Federal Highway Administration, Office of Freight Management and Operations, Freight Analysis Framework, version 3.4, 2013.

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