The values have been rounded.
Highway traffic includes passenger cars, motorcycles, other 2-axle 4-tire vehicles, single-unit 2 axle 6-tire or more and combination trucks, and buses.
Citation formats
Passenger miles - highway traffic in the United States 1990-2019
This statistic represents the miles traveled by passengers on highways in the United States from 1990 through 2019. In 2019, U.S. passengers covered a distance of around 5.57 trillion miles on highways.
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Bureau of Transportation Statistics. (January 14, 2021). Number of U.S. passenger-miles in highway traffic from 1990 to 2019 (in billions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/185769/us-passenger-miles-in-highway-traffic-since-1990/
Bureau of Transportation Statistics. "Number of U.S. passenger-miles in highway traffic from 1990 to 2019 (in billions)." Chart. January 14, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/185769/us-passenger-miles-in-highway-traffic-since-1990/
Bureau of Transportation Statistics. (2021). Number of U.S. passenger-miles in highway traffic from 1990 to 2019 (in billions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/185769/us-passenger-miles-in-highway-traffic-since-1990/
Bureau of Transportation Statistics. "Number of U.S. Passenger-miles in Highway Traffic from 1990 to 2019 (in Billions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 14 Jan 2021, /statistics/185769/us-passenger-miles-in-highway-traffic-since-1990/
Bureau of Transportation Statistics, Number of U.S. passenger-miles in highway traffic from 1990 to 2019 (in billions) ÌÇÐÄÆƽâ°æ, /statistics/185769/us-passenger-miles-in-highway-traffic-since-1990/ (last visited July 26, 2026)
Number of U.S. passenger-miles in highway traffic from 1990 to 2019 (in billions) [Graph], Bureau of Transportation Statistics, January 14, 2021. [Online]. Available: /statistics/185769/us-passenger-miles-in-highway-traffic-since-1990/
