Energy Consumption by Mode of Transportation (metric)

KEY: Btu = British thermal unit; N = data do not exist; R = revised; U = data are not available.

^a Domestic operations only.

^b Includes fuel used in air taxi operations, but not commuter operations. Data for 1996 are estimated using new information on no respondents and are therefore not comparable to earlier years. See the accuracy statement in the appendix for more detailed information. 

^c Data from 2007 were calculated using a new methodology developed by FHWA. Data for these years are based on new categories...

Fuel Consumption by Mode of Transportation (metric)

KEY: kWh = kilowatt-hour; N = data do not exist; R = revised, U = data are not available.

^a Domestic operations only.

^b Includes fuel used in air taxi operations, but not commuter operations. Data for 1996 are estimated using new information on no respondents and are therefore not comparable to earlier years. See the accuracy statement in the appendix for more detailed information.

^c Data from 2007 were calculated using a new methodology developed by FHWA. Data for these years are based on new categories and are not...

Domestic Demand for Refined Petroleum Products by Sector (metric)

KEY: R = revised.

U.S. Waterborne Freight (Metric)

KEY: R = revised.

U.S. Passenger-Kilometers

KEY: N = data do not exist; R = revised; U = data are not available.

^a Data from 2007 were calculated using a new methodology developed by FHWA. Data for these years are based on new categories and are not comparable to previous years. The new category Light duty vehicle, short wheel base replaces the old category Passenger car and includes passenger cars, light trucks, vans and sport utility vehicles with a wheelbase (WB) equal to or less than 121 inches. The new category Light duty vehicle, long wheel base replaces Other 2-axle, 4-...

Average Length of Haul, Domestic Freight and Passenger Modes (metric)

KEY: N = data do not exist; NA = not applicable; R = revised; U = data are not available.

^aAmtrak began operations in 1971. Data are reported for fiscal years.

Fatalities by Highest Driver Blood Alcohol Concentration (BAC) in Highway Crashes

KEY:  BAC = blood alcohol concentration; R=revised.

Bus Occupant Safety Data

KEY: N = data do not exist, NA = not applicable; R = revised.

^aBus includes school, transit, and intercity buses.

Truck Occupant Safety Data

KEY:  N = data do not exist; NA = not applicable; R = revised. 

Motorcycle Rider Safety Data

KEY: N = data do not exist; NA = not applicable; R = revised. 

^a Include riders (operators) and passengers.