Intensity of Truck Freight Congestion on Selected Interstate Highways: 2012 Map

U.S. map showing average truck speed/miles per hour on interstate highways, with the average truck speed above 55 miles per hour in the majority of the country and average truck below 55 miles per hour near major urban areas, border crossings and gateways, and in mountainous terrain.

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Source

U.S. Department of Transportation, Federal Highway Administration, Office of Freight Management and Operations, Freight Performance Measurement Program, 2013.

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