Acquisition of Information on Exposure and on Non-Fatal Crashes. Volume 1- Exposure Survey Considerations
Acquisition of Information on Exposure and on Non-Fatal Crashes. Volume 1- Exposure Survey Considerations
- Neue Suche nach: P. S. Carroll
- Neue Suche nach: W. L. Carlson
- Neue Suche nach: T. L. McDole
- Neue Suche nach: D. W. Smith
- Neue Suche nach: P. S. Carroll
- Neue Suche nach: W. L. Carlson
- Neue Suche nach: T. L. McDole
- Neue Suche nach: D. W. Smith
The volume presents an analysis of the considerations involved in the design of driving-exposure surveys. Exposure is defined as the frequency of traffic events which create a risk of accident, measured in vehicle miles of travel. Exposure data obtained in a survey may be combined with accident data to derive accident rates, for use in evaluating highway safety countermeasures. Exposure estimates from a random sample of 8000 drivers in 18 representative states were analyzed, and six variables were chosen as best predictors of exposure (driver sex, driver age, vehicle type, model year, day/night, and road type); 26 unique classes of these variables were defined. Small auxiliary surveys were performed to test the effectiveness of various survey methods. The mail questionnaire method (using one-day trip records) was selected as the best, based on cost and accuracy. Final recommendations include the implementation of a national exposure survey field test in 1972 at a cost of about $250,000, and continuing operational surveys on an annual basis. (Author)
Dokumentinformationen
Acquisition of Information on Exposure and on Non-Fatal Crashes. Volume 1- Exposure Survey Considerations
1971
132 pages
Report
Keine Angabe
Englisch