The Fatality Analysis Reporting System (FARS)
The Fatality Analysis Reporting System (FARS), located at http://www-fars.nhtsa.dot.gov contains data on all vehicle crashes in the United States that involve a fatality. To be included in FARS, a crash must involve a motor vehicle traveling on a traffic way customarily open to the public, and result in the death of a person (either an occupant of a vehicle or a non-motorist) within 30 days of the crash. The FARS file contains descriptions of each fatal crash reported. Each case has more than 100 coded data elements that characterize the crash, the vehicles, and the people involved.

FARS is maintained by The National Highway Traffic Safety Administration (NHTSA) from the Department of Transportation (DOT). FARS is updated annually. In this website, a subset of FARS data from 1999-2004 is available directly (not all data fields are included). Users should refer to the FARS website for the complete dataset, details on the underlying data, a description of the collection methodology, and limitations of the data.

The National Household Travel Survey (NHTS)
The National Household Travel Survey (NHTS), located at http://nhts.ornl.gov/index.shtml is the nation’s inventory of daily and long-distance travel. The survey includes demographic characteristics of households, people, vehicles, and detailed information on daily and longer-distance travel for all purposes by all modes. NHTS survey data are collected from a sample of U.S. households and expanded to provide national estimates of trips and miles by travel mode, trip purpose, and a host of household attributes.