Technical Report Documentation Page

1. Report No.
 DOT HS 809155
2. Government Accession No.
3. Recipient's Catalog No.
4. Title and Subtitle

Evaluation of a Full-Time Ride Service Program
Aspen, Colorado's Tipsy Taxi Service

5. Report Date
October 2000
6. Performing Organization Code
7. Author(s)

Lacey, J.H.; Jones, R.K; and Anderson, E.W.

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 Traffic Records
400 7th Street, S.W.
Washington, D.C. 20590

13. Type of Report and Period Covered

Final Report

14. Sponsoring Agency Code
15. Supplementary Notes

Amy Berning was the Contracting Officer's Technical Representatives (COTR) for this project.

16. Abstract

This report summarizes a study of Aspen Colorado's Tipsy Taxi ride service program. This service, which provides a free ride home for persons who are too intoxicated to drive, has been in place since December 1983. Funded through donations from the community, this program is available 365 days a year, 24 hours per day. The program is distinctive in that it has been operating for over sixteen years and is self-sustaining. An examination of injury crashes as a proxy of alcohol-related crashes revealed a significant reduction associated with implementation of the program. It is argued that a year-round alternative transportation program is an important component of a comprehensive anti-DUI countermeasure program which should also include deterrence components such as public information, enforcement, and sanctioning.

17. Key Words

Alternative transportation, ride service, alcohol-related crashes, DWI, DUI, drunk driving, evaluation, Tipsy Taxi, safe rides, designated driver.

18. Distribution Statement

This report is available from the National Technical Information Service, Springfield, Virginia 22161 (703) 605-6000. It is also available, free of charge, on 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

Back to Contents