Technical Report Documentation Page

1. Report No.

DOT HS 809 642
2. Government Accession No.

3. Recipient's Catalog No.
4. Title and Subtitle

State of Knowledge of Drug-Impaired Driving

5. Report Date

August 2003

6. Performing Organization Code

7. Author(s)

Jones, R. K.; Shinar, D.; and Walsh, J. M.

8. Performing Organization Report No.

9. Performing Organization Name and Address

Mid-America Research Institute

611 Main Street

Winchester, MA 01890

10. Work Unit No. (TRAIS)

11. Contract or Grant No.


12. Sponsoring Agency Name and Address

National Highway Traffic Safety Administration

Office of Research and Technology

400 7th Street, S.W.

Washington, DC 20590

13. Type of Report and Period Covered

Final Report

14. Sponsoring Agency Code
15. Supplementary Notes

Amy Berning and Richard Compton were the Contracting Officer's Technical Representatives for this project.

16. Abstract

Examines the current state of knowledge of drug-impaired driving. The review covers a broad range of related research, including the detection and measurement of drugs in drivers, experimental research on the effect of drugs on the performance driving-related tasks, drug prevalence in various populations of drivers, drug-crash risk, and countermeasures for drug-impaired driving. The review covers scientific literature published since 1980.

17. Key Words

drug-impaired drivers, experimental research, drug detection, drug measurement, epidemiologic research, drug-related traffic crashes, driving under the influence of drugs, drug-crash countermeasures

18. Distribution Statement

This report is available from the National Technical Information Service, Springfield, Virginia 22161,

(703) 605-6000, and free of charge from the NHTSA web site at

19. Security Classif. (of this report)


20. Security Classif. (of this page)

21. No. of Pages 22. Price

Form DOT F 1700.7 (8-72) Reproduction of completed page authorized