Motor Vehicle Safety Data

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

Public Road and Street Mileage in the United States by Type of Surface

KEY:  N = data does not exist.

^a 1960-95 data includes the 50 states and the District of Columbia; 1996-2008 data includes the 50 states, District of Columbia, and Puerto Rico; 2011-14 data includes the 50 states and the District of Columbia

^b  Paved mileage includes the following categories: low type (an earth, gravel, or stone roadway that has a bituminous surface course less than 1" thick); intermediate type (a mixed bituminous or bituminous penetration roadway on a flexible base having a combined surface and base thickness of less than 7...

Number of Air Carriers, Railroads, Interstate Motor Carriers, Marine Vessel Operators, and Pipeline Operators

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

^a Carrier groups are categorized based on their annual operating revenues as major, national, large regional, and medium regional. The thresholds were last adjusted July 1, 1999, and the threshold for Major air carriers is currently $1 billion. The Other air carrier category contains all national, large regional, and medium regional air carriers. Beginning in 2003, regional air carriers are not required to report financial data which may result in under reporting of Other carriers...

Average Length of Haul, Domestic Freight and Passenger Modes

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

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

U.S. Consumption of Energy from Primary Sources by Sector

KEY:  Btu = British thermal unit; R = revised.

Overview of U.S. Petroleum Production, Imports, Exports, and Consumption

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

^a Includes crude oil and natural gas plant liquids. This data series has been revised from 1975 forward to exclude the field production of other liquids including: finished motor gasoline, motor gasoline blending components, and other hydrocarbons and oxygenates.

^b Includes lease condensate.

^c Includes imports for the Strategic Petroleum Reserve, which began in 1977.

^d Beginning in 1985, motor gasoline blending components and aviation...

U.S. Sales or Deliveries of New Aircraft, Vehicles, Vessels, and Other Conveyances

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

^a U.S.-manufactured fixed-wing aircraft over 33,000 pounds empty weight, including all jet transports plus the 4-engine turboprop-powered Lockheed L-100.

^b Includes domestic and imported vehicles. Prior to 1985, all terrain vehicles (ATVs) were included in the motorcycle total. In 1995, the Motorcycle Industry Council revised its data for the years 1985 to present to exclude ATVs from its totals. 2008 and later data are real counts based on...

Number of U.S. Aircraft, Vehicles, Vessels, and Other Conveyances

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

^aAir carrier aircraft are those carrying passengers or cargo for hire under 14 CFR 121 and 14 CFR 135. Beginning in 1990, the number of aircraft is the monthly average of the number of aircraft reported in use for the last three months of the year. Prior to 1990, it was the number of aircraft reported in use during December of a given year.

^b 1991-94 data revised to reflect changes in adjustment for nonresponse bias with 1996 telephone survey factors;...

System Mileage Within the United States

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

^a All public road and street mileage in the 50 states and the District of Columbia. For years prior to 1980, some miles of nonpublic roadways are included. No consistent data on private road mileage are available. Beginning in 1998, approximately 43,000 miles of Bureau of Land Management Roads are excluded. 2010 Missouri and Wyoming's data are 2009.

^b Data represent miles of road owned (aggregate length of road, excluding yard tracks, sidings, and parallel lines) and includes a 328 mile...