Supporting Material to NCHRP Report 674 (2011)

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APPENDIX G: Participant Survey Forms This Appendix includes the participant survey questions used during debriefing after each of the studies. Forms included are: 1. Debriefing Questions for Channelized Turn Lane Study - Pretest 2. Debriefing Questions for Channelized Turn Lane Study - Posttest 3. Debriefing Questions for Charlotte, NC Roundabout Study - Pretest 4. Debriefing Questions for Golden, CO Roundabout Study - Pretest 5. Debriefing Questions for Golden, CO Roundabout Study - Posttest 116

Appendix G: Participant Survey Forms 1. Debriefing Questions for Channelized Turn Lane Study - Pretest Date _____________ Time____________ Subject # ______ Starting leg: NW SE Starting Location: Curb Island 1. Have you ever crossed at this intersection before? 2. Have you ever crossed a channelized turn lane before? 3. Do you cross streets at locations where there is no signal or other traffic control provided? (describe) 4. What made you decide to cross? What cues were you using? 5. Did it matter whether you were crossing to or from island? 6. How would you rate your confidence in your ability to cross here safely on a scale of 1 –5 with 1 being not at all and 5 very confident? 7. Would you cross these channelized turn lanes if they were on your route home from work? 8. Do these crossings need anything to increase safety and usability? If so, what would you suggest? 117

Appendix G: Participant Survey Forms 2. Debriefing Questions for Channelized Turn Lane Study - Posttest Date _____________ Time____________ Subject # ______ Starting leg: NW SE Starting Location: Curb Island 1. Have you ever crossed at this particular intersection, besides during our earlier data collection? 2. Have you crossed channelized turn lanes before, except for our previous data collection? You made crossings at two locations, but I want to first ask about the crossings you made with the sound strips alone [remind P if those were at the first or second set of crossings] Sound strips alone (NW corner) 3. (NW) What made you decide to cross? What cues were you using? (ask why if they waved yielding vehicles on). 4. (NW) (If not mentioned) Were you using the sound from the strips to help you decide? How? 5. (NW) Did it matter whether you were crossing from the curb or from the island? 6. (NW) How would you rate your confidence in your ability to cross here safely on a scale of 1 –5 with 1 being not at all and 5 very confident? 7. (NW) Would you use this crossings if it was on the most direct route home from work? Now, about the crossings at the corner with both the sound strips and beacon [the first, or second, set of crossings you made] 8. (SE) What made you decide to cross? What cues were you using? (ask why if they waved yielding vehicles on). 9. (SE) (If not mentioned) Were you using the sound from the strips to help you decide? How? 10. (SE) Were you using the speech message to help you decide to cross? 11. (SE) Did you think the beacon made a difference in the drivers’ behavior? How? 12. (SE) Did it matter whether you were crossing from the curb or from the island? 13. (SE) How would you rate your confidence in your ability to cross here safely on a scale of 1 –5 with 1 being not at all and 5 very confident? 14. (SE) Would you use this crossing if it was on the most direct route home from work? 118

Appendix G: Participant Survey Forms Now to a slightly different type of question…these are rating questions and we want you to rate the extent of your agreement with each statement with 1 strongly disagree and 5 strongly agree so 3 would be ‘neutral’. There were two kinds of treatments here …sound strips on both corners, and beacons with voice message on one. In thinking about the beacon with the speech message and locator tone… 15. Where there were beacons installed, I’d push the button each time I wanted to cross. 16. Knowing the beacon was flashing made me more confident that I was starting to cross at a safe time. 17. The speech message didn’t interfere with my ability to hear traffic. 18. The locator tone on the beacon helped me know I was coming to the crosswalk. 19. The locator tone helped me go straight across the crosswalk. 20. The locator tone helped me know I was approaching the end of the crosswalk. Thinking about the sound strips…. 21. The sound strips helped me know when vehicles were approaching. 22. The sound strips helped me know when vehicles were slowing down. 23. The sound strips helped me know when vehicles had yielded. 24. The sound strips made me confident that I was starting to cross at a safe time. OVERALL, at end: 25. Was anything about the sound strips different on the two corners? 26. Do you think sound strips alone, or beacon and sound strips, or just the beacon would help most and why? 27. Do you think these crossings need anything to increase safety and usability? If so, what else would you suggest? 119

Appendix G: Participant Survey Forms 3. Debriefing Questions for Charlotte, NC Roundabout Study - Pretest Date _____________ Time____________ Subject # ______ Starting leg: N S Starting Lane: Entry Exit 1. Have you ever crossed at this intersection before? 2. Have you every crossed a roundabout before? 3. Do you cross streets at locations where there is no signal or other traffic control provided? (describe) 4. You had the opportunity to cross both the ‘entry’ lane (when vehicles were entering the circle) as well as the ‘exit’ lane (when vehicles were leaving the circle). Which as more difficult and why? 5. How would you rate your confidence in your ability to cross here safely on a scale of 1 –5 with 1 being not at all and 5 very confident? 6. Would you cross at this intersection if it was on your route home from work, or would you find another way home from work? 7. How do you think this type of crossing situation could be made more accessible and less risky to people who are blind and visually impaired? 8. When a vehicle yielded, you crossed sometimes and not other times (or maybe ‘never crossed’). What made you decide to cross? What cues were you using? (or why not?) 120

Appendix G: Participant Survey Forms 4. Debriefing Questions for Golden Roundabout Study - Pretest Date _____________ Time____________ Subject # ______ Starting leg: N S Starting Lane: Entry Exit 1. Have you ever crossed at these particular intersections before? 2. Have you every crossed at a roundabout before? 3. Do you cross streets at locations where there is no signal or other traffic control provided? (describe) Single lane roundabout 4. What made you decide to cross? What cues were you using? (ask why if they waved yielding vehicles on) 5. Did it matter whether you were crossing an entry lane or an exit lane? 6. How would you rate your confidence in your ability to cross here safely on a scale of 1 –5 with 1 being not at all and 5 very confident? 7. Would you use these crossings if they were on the most direct route home from work? 8. Overall, do you think crossing here is more risky, less risky, or about the same risk as crossing at an intersection with two lanes of traffic and a traffic signal? 9. If there was an unsignalized, mid-block crossing nearby, would you be more likely to use it than to attempt to cross where you crossed in the study? 10. If there was a signalized mid-block crossing nearby, would you be more likely to use it than to attempt to cross where you crossed in the study? 11. How do you think this type of crossing situation could be made more accessible and less risky to people who are blind and visually impaired? Double lane roundabout 12. What made you decide to cross? What cues were you using? (ask why if they waved yielding vehicles on) 13. Did it matter whether you were crossing an entry lane or an exit lane? 121

Appendix G: Participant Survey Forms 14. How would you rate your confidence in your ability to cross here safely on a scale of 1 –5 with 1 being not at all and 5 very confident? 15. Would you use these crossings if they were on the most direct route home from work? 16. Overall, do you think crossing here is more risky, less risky, or about the same risk as crossing at an intersection with four lanes of traffic and a traffic signal? 17. If there was an unsignalized, mid-block crossing nearby, would you be more likely to use it than to attempt to cross where you crossed in the study? 18. If there was a signalized mid-block crossing nearby, would you be more likely to use it than to attempt to cross where you crossed in the study? 19. How do you think this type of crossing situation could be made more accessible and less risky to people who are blind and visually impaired? 122

Appendix G: Participant Survey Forms 5. Debriefing Questions for Golden Roundabout Study - Posttest Date _____________ Time____________ Subject # ______ Starting leg: N S Starting Lane: Entry Exit 1. Have you ever crossed at these particular intersections, besides during our earlier data collection? 2. Have you crossed at a roundabout since the last time we were here? 3. Do you cross streets at locations where there is no signal or other traffic control provided? (describe) Single lane roundabout 4. What made you decide to cross? What cues were you using? (ask why if they waved yielding vehicles on) 5. Did it matter whether you were crossing an entry lane or an exit lane? 6. Did it matter whether you were crossing from the curb or the median (island)? 7. How would you rate your confidence in your ability to cross here safely on a scale of 1 –5 with 1 being not at all and 5 very confident? 8. Would you use these crossings if they were on the most direct route home from work? 9. Overall, do you think crossing here is more risky, less risky, or about the same risk as crossing at an intersection with two lanes of traffic and a traffic signal? 10. How do you think this type of crossing situation could be made more accessible and less risky to people who are blind and visually impaired? Double lane roundabout HAWK signal 11. What made you decide to cross? What cues were you using? (ask why if they waved yielding vehicles on) 12. Did it matter whether you were crossing an entry lane or an exit lane? 13. Did it matter whether you were crossing from the curb or the median (island)? 14. How would you rate your confidence in your ability to cross this crosswalk safely on a scale of 1 –5 with 1 being not at all and 5 very confident? 123

Appendix G: Participant Survey Forms 15. Would you use these crossings if they were on the most direct route home from work? 16. Overall, do you think crossing with the HAWK signal is more risky, less risky, or about the same risk as crossing at an intersection with four lanes of traffic and a traffic signal? Rate the extent of your agreement with this statement with 1 strongly disagree and 5 strongly agree. 17. If there were signals like these, I’d push the button each time I wanted to cross. 18. If there were signals like these, I would always wait to cross until I hear “walk sign is on”. 19. These signals helped me know I was coming to the crosswalk. 20. These signals helped me align to cross. 21. These signals helped me go straight across the crosswalk. 22. These signals helped me know I was approaching the end of the crosswalk. Double lane, Raised crosswalk: 23. What made you decide to cross? What cues were you using? (ask why if they waved yielding vehicles on) 24. Did it matter whether you were crossing an entry lane or an exit lane? 25. Did it matter whether you were crossing from the curb or the median (island)? 26. How would you rate your confidence in your ability to cross this crosswalk safely on a scale of 1 –5 with 1 being not at all and 5 very confident? 27. Would you use these crossings if they were on the most direct route home from work? 28. Overall, do you think crossing at the raised crosswalk is more risky, less risky, or about the same risk as crossing at an intersection with four lanes of traffic and a traffic signal? OVERALL, at end: 29. How do you think this type of crossing situation could be made more accessible and less risky to people who are blind and visually impaired? 124