National
Legacy ID
1581
Safety Belt and Motorcycle Helmet Use
KEY: U = data are not available.
a Seat belt use is as of the Fall each year except in 1999 (December), 2001 (June), 2002 (June), 2003 (June), 2004 (June), 2005 (June). Motorcycle helmet use is as of the Fall each year except in 1996 (January), 2002 (June), 2004 (June), and 2005 (June).
b Beginning in 2003, the National Highway Traffic Safety Administration (NHTSA) no longer computes an overall light truck belt use estimate. Instead, belt use is computed separately for motorists in: (1) vans and sport utility vehicles, and...
Motor Vehicles and Occupants Involved in Fatal Crashes by Posted Speed Limit
KEY: mph = miles per hour; R = revised.
a The "No Statutory Limit/Non-Trafficway or Driveway Access" designation is included in this category.
b The "Not Reported" designation is included in this category.
Motor Vehicle Fatal Crashes by Day of Week, Time of Day, and Weather and Light Conditions
KEY: R = revised.
Certificated Air Carrier Fuel Consumption and Travel (Metric)
KEY: R = revised.
a Aircraft are aircraft carrying passengers or cargo for hire under 14 CFR 121 (large aircraft-more than 30 seats) and 14 CFR 135 (small aircraft-30 seats or less). This definition is more encompassing than that in the Federal Aviation Administration (FAA) Aviation Forecast- jet aircraft, 60 seats or more carrying passengers or cargo for hire. Beginning in 1990, the number of aircraft is the monthly average reported in use for the last three months of the year. Prior to 1990, it was the number of aircraft reported in use...
Domestic Demand for Gasoline by Mode (metric)
a Does not include aviation jet fuel.
b In 2015 Marine became Boating with unstated formula changes from the source.
c Includes state, county, and municipal use, industrial and commercial use, construction use, and miscellaneous.
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 and...
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.