An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Over time, each transportation mode has developed its own way of describing the circumstances surrounding crashes and mishaps. Consequently, there is little consistency across modes in how data are collected...
Previous slide | Back to first slide | View graphic version
General Recommendation 6 The U.S. Department of Transportation should work with State and local authorities to develop a central repository of vehicle...Previous slide | Next slide | Back to first slide | View graphic version
General Recommendation 5 The National Household Transportation Survey (NHTS) should be conducted more frequently (every two years) to...Previous slide | Next slide | Back to first slide | View graphic version
General Recommendation 4 An ongoing and systematic survey should be undertaken to collect information from recreation and boat operators on...Previous slide | Next slide | Back to first slide | View graphic version
General Recommendation 3 Highway data collection systems (HPMS, VIUS, NHTS, etc.) should be reviewed to determine accuracy of estimates...Previous slide | Next slide | Back to first slide | View graphic version
General Recommendation 2 A process needs to be developed to capture information from commercial marine operators that would include: Trip...Previous slide | Next slide | Back to first slide | View graphic version
General Recommendation 1 General aviation activity survey should be expanded to collect information on: Number of aircraft occupants Trip...Previous slide | Next slide | Back to first slide | View graphic version
General Approach Recommendations developed to correct for limitations and gaps Recommendations for exposure measures suitable for intra...Previous slide | Next slide | Back to first slide | View graphic version
General Approach Exposure measures currently used identified Limitations and gaps of current environment identified, by mode and by type...