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C-1 APPENDIX C DRIVER INTERVIEW GUIDE This appendix has not been edited by TRB. Introduction: "ATRI is working to better understand the use of safety belts by truck drivers through the feedback of drivers themselves. As a truck driving professional, I was wondering if you could offer your input to this strictly confidential survey." 1. What percentage of the time do you wear a safety belt while driving your truck? 2. What percentage of the time do you wear a safety belt while driving or riding in a non-commercial vehicle? 3. For the above, why do you or don't you choose to wear a safety belt? 4. Here are some reasons for not wearing safety belts. Which do you feel are valid? a. Too much trouble & effort b. Uncomfortable c. Forget to put it on d. Infringement on my rights/personal freedoms e. Worried about being trapped in vehicle if there is an accident f. Any other valid reasons?: _____________________________________________________ 5. If truck safety belts were more functional, comfortable, and easy to use, would you be more inclined to wear them? Yes / No [If Yes]: What about your safety belt is uncomfortable or difficult to use? (Circle all that apply.) A: Limited range of arm and shoulder motion B: The lap belt or shoulder harness is not long enough/too tight C: Shoulder harness position is awkward D: The belts ride too high or too low E: Other: ____________________________________________________________ 6. What are your biggest complaints about safety belts? (Ask regardless of whether the subject wears a safety belt): 7. In your experience, what makes a safety belt easy to use? (Check if applicable, do not offer the below descriptions.) It does not fit too tight It does not interfere with my driving It is easy to put on/take off It is easy to position Other Other 8. What could potentially make a safety belt less difficult to use? 9. Does your company have a policy requiring drivers to wear safety belts? 1) Yes 2) No 3) Uncertain

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C-2 10. [If yes] If you violated this policy, would there be a negative consequence, e.g., a reprimand? 11. Has your company ever offered drivers any kind of reward or positive recognition for wearing their safety belts, or offered any educational courses on safety belt use? 12. What type of incentives do you feel would motivate drivers to wear their safety belt more often? 13. Information about you. C Years driving commercially: C Is your fleet: b Long haul vs. local/short haul (50 miles) b For-hire vs. private b (If for-hire) Operation type: 1) Truckload 2) LTL 3) Specialized 4) Tank Truck 5) Courier b Principal cargo: 14. Estimates to be collected by the interviewer: Height: a. Under 5 feet b. 51 to 56 c. 56 to 6 d. 6 to 66 e. Over 6.6 Weight: a) 100150 lb b) 150200 lb c) 200250 lb d) 250300 lb e) 300+ lb Age: a) 2135 Gender: a) Male b) 3550 b) Female c) 50+