Office of Operations Freight Management and Operations

Freight Facts and Figures 2013

Figure 3-12. Average Daily Long-Haul Truck Traffic on the National Highway System: 2011

Long-haul freight truck traffic in the United States is concentrated on major routes connecting population centers, ports, border crossings, and other major hubs of activity. Except for Route 99 in California and a few toll roads and border connections, most of the heaviest traveled routes are on the Interstate System.

Figure 3-12

Figure 3-12. U.S. map showing major concentrations of long-haul truck volumes along the Interstate system, Route 99 in California and a few toll roads and border connections.

[JPEG 1.41MB, PDF 4.19MB]


Long-haul freight trucks typically serve locations at least 50 miles apart, excluding trucks that are used in movements by multiple modes and mail. 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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