U.S. average gas prices, 1994-2016
Fatalities in road transportation, U.S., 1994-2014
Total registered vehicles and licensed drivers, U.S., 1994-2014
Registered vehicles and licensed drivers per capita, U.S., 1994-2014
- Fatalities, registered vehicles, and licensed drivers: National Highway Traffic Safety Administration.
- Population: U.S. Bureau of the Census, National Population Estimates. Population is all ages, including armed forces overseas.
- Gas prices: U.S. Energy Information Administration.