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39 APPENDIX A Interview Questionnaire HISTORY OF LRT OPERATIONS STRATEGIES 1. When did LRT operations begin? 12. How has your agency approached the problem of LRV 2. Have there been any expansions? When? Please describe. motor vehicle collisions at signalized intersections (e.g., research, accident reconstruction)? 13. What processes have you gone through for selecting poten- OPERATING ENVIRONMENT tial strategies for mitigating these types of collisions (e.g., research, collision typing)? 3. Please describe your LRT alignment(s). 14. What strategies has your agency tested/implemented to miti- 4. Approximately how many signalized intersections does the gate collisions between LRVs and motor vehicles at signal- LRT operate through? ized intersections? 5. How many intersections are controlled by crossing gates? a. Why were the strategies implemented/not implemented? Are they controlled by other devices? b. Did you coordinate with any other agency during 6. Describe the signal operations at the intersections (e.g., development/testing/implementation of the strategies? partial-priority, priority, pre-emption)? i. If so, with which agencies did you coordinate and 7. Describe the geometry of the intersections. how (e.g., city/county DOT)? ii. What were each agency's roles in the process? 15. Have you conducted studies to assess the effectiveness of LRVMOTOR VEHICLE COLLISIONS HISTORY any of these strategies? If so, please explain. If not, can you AT SIGNALIZED INTERSECTIONS offer any anecdotal information on the effectiveness of the strategies (e.g., in terms of operator acceptance, public 8. About how many LRVmotor vehicle collisions at signal- acceptance, reduction in claims)? ized intersections does your agency experience each year? 16. Can you provide general cost information for the strategies How does this compare to collision rates when the lines were you have tested/implemented? first opened? How has the collision rate changed over the 17. Does your state motor vehicle manual discuss driving in an years [e.g., no change, major decrease after first year(s) of LRT environment? operation, slight decrease over years]? Essentially, describe the collision history at signalized intersections and particu- larly with left-turn vehicles. RECOMMENDATIONS 9. What are the most common circumstances of LRV motor vehicle collisions at signalized intersections? 18. What recommendations or advice would you give to other 10. What are the most common causal or contributing factors agencies planning or implementing LRT with regard to to these LRVmotor vehicle collisions? LRTmotor vehicle collisions at signalized intersections? 11. Do you have any unique environmental or operating condi- 19. What recommendations or advice would you give to other tions that might contribute to/reduce the occurrence of these agencies that are currently experiencing problems with collisions? If so, please explain. LRTmotor vehicle collisions at signalized intersections?