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Pages 141-222

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From page 141...
... Individual Survey Responses from DOTs C-3   Q1. What is the current status of implementation of each of the following smart work zone technologies by your agency?
From page 142...
... C-4 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-2. Text responses for "Other" for Question 1 (status of implementation for smart work zone technologies)
From page 143...
... Individual Survey Responses from DOTs C-5   Table C-3. Comments for Question 1 (status of implementation for smart work zone technologies)
From page 144...
... C-6 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-4. Individual DOT responses to Question 2 (frequency of use for smart work zone technologies)
From page 145...
... Individual Survey Responses from DOTs C-7   Q2. Based on your response to the previous question, the list of smart work zone technologies that your agency has already implemented is shown below.
From page 146...
... C-8 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q2. Based on your response to the previous question, the list of smart work zone technologies that your agency has already implemented is shown below.
From page 147...
... Individual Survey Responses from DOTs C-9   Table C-5. Comments for Question 2 (frequency of use for smart work zone technologies)
From page 148...
... C-10 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-6. Individual DOT responses to Question 3 (numerical performance ratings for smart work zone technologies)
From page 149...
... Individual Survey Responses from DOTs C-11   Q3. On a scale of 1 to 5 (1 = Poor, 5 = Outstanding, 0 = No opinion)
From page 150...
... C-12 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q3. On a scale of 1 to 5 (1 = Poor, 5 = Outstanding, 0 = No opinion)
From page 151...
... Individual Survey Responses from DOTs C-13   Table C-7. Comments for Question 3 (numerical performance ratings for smart work zone technologies)
From page 152...
... C-14 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-8. Individual DOT responses to Question 4 (use of multiple smart work zone technologies on the same project)
From page 153...
... Individual Survey Responses from DOTs C-15   Q4. How frequently does your agency use multiple smart work zone technologies in conjunction with each other on the same project?
From page 154...
... C-16 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q4. How frequently does your agency use multiple smart work zone technologies in conjunction with each other on the same project?
From page 155...
... Individual Survey Responses from DOTs C-17   Table C-9. Comments for Question 4 (use of multiple smart work zone technologies on the same project)
From page 156...
... Table C-10. Individual DOT responses to Question 5 (communication methods for traveler information)
From page 157...
... Q5. How frequently does your agency use each of the following methods to communicate information regarding work zones to travelers?
From page 158...
... Q5. How frequently does your agency use each of the following methods to communicate information regarding work zones to travelers?
From page 159...
... Q5. How frequently does your agency use each of the following methods to communicate information regarding work zones to travelers?
From page 160...
... C-22 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-11. Comments for Question 5 (communication methods for traveler information)
From page 161...
... Individual Survey Responses from DOTs C-23   Table C-12. Individual DOT responses to Question 6 (use of detection components for smart work zone technologies)
From page 162...
... C-24 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q6. How frequently does your agency use each of the following detection components to collect information for smart work zone technologies?
From page 163...
... Individual Survey Responses from DOTs C-25   Q6. How frequently does your agency use each of the following detection components to collect information for smart work zone technologies?
From page 164...
... C-26 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-13. Text responses for "Other" for Question 6 (use of detection components for smart work zone technologies)
From page 165...
... Individual Survey Responses from DOTs C-27   Table C-15. Individual DOT responses to Question 7 (use of communication components for smart work zone technologies)
From page 166...
... C-28 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q7. How frequently does your agency use each of the following communication components for smart work zone technologies?
From page 167...
... Individual Survey Responses from DOTs C-29   Q7. How frequently does your agency use each of the following communication components for smart work zone technologies?
From page 168...
... C-30 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-16. Comments for Question 7 (use of communication components for smart work zone technologies)
From page 169...
... Table C-17. Individual DOT responses to Question 8 (factors considered in selection of smart work zone technologies)
From page 170...
... Q8. How often does your agency consider the following factors when selecting which types of smart work zone technologies to implement?
From page 171...
... Q8. How often does your agency consider the following factors when selecting which types of smart work zone technologies to implement?
From page 172...
... Q8. How often does your agency consider the following factors when selecting which types of smart work zone technologies to implement?
From page 173...
... Q8. How often does your agency consider the following factors when selecting which types of smart work zone technologies to implement?
From page 174...
... C-36 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-18. Comments for Question 8 (factors considered in selection of smart work zone technologies)
From page 175...
... Individual Survey Responses from DOTs C-37   Table C-19. Individual responses to Question 9 (use of smart components on existing non-smart equipment)
From page 176...
... C-38 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q9. When implementing smart work zone technologies, how frequently does your agency install smart components on existing non-smart equipment (for example, adding smart arrow boards or smart cones at the beginning and end of the work zone)
From page 177...
... Individual Survey Responses from DOTs C-39   Q9. When implementing smart work zone technologies, how frequently does your agency install smart components on existing non-smart equipment (for example, adding smart arrow boards or smart cones at the beginning and end of the work zone)
From page 178...
... C-40 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-20. Comments for Question 9 (use of smart components on existing nonsmart equipment)
From page 179...
... Table C-21. Individual DOT responses for Question 10 (factors that hinder implementation of smart work zone technologies)
From page 180...
... Q10. How strongly do you agree or disagree that the following concerns have hindered your agency's efforts to implement smart work zone technologies?
From page 181...
... Q10. How strongly do you agree or disagree that the following concerns have hindered your agency's efforts to implement smart work zone technologies?
From page 182...
... Q10. How strongly do you agree or disagree that the following concerns have hindered your agency's efforts to implement smart work zone technologies?
From page 183...
... Q10. How strongly do you agree or disagree that the following concerns have hindered your agency's efforts to implement smart work zone technologies?
From page 184...
... C-46 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-22. Text responses for "Other" for Question 10 (factors that hinder implementation of smart work zone technologies)
From page 185...
... Individual Survey Responses from DOTs C-47   Table C-24. Individual DOT responses to Question 11 (resources to support implementation of smart work zone technologies)
From page 186...
... C-48 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q11. Which of the following resources has your agency developed to support implementation of smart work zone technologies?
From page 187...
... Individual Survey Responses from DOTs C-49   Q11. Which of the following resources has your agency developed to support implementation of smart work zone technologies?
From page 188...
... C-50 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-25. Text responses for "Other" for Question 11 (resources to support implementation of smart work zone technologies)
From page 189...
... Individual Survey Responses from DOTs C-51   Table C-26. Resources submitted for Question 11 (resources to support implementation of smart work zone technologies)
From page 190...
... C-52 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q11. Which of the following resources has your agency developed to support implementation of smart work zone technologies?
From page 191...
... Individual Survey Responses from DOTs C-53   Q11. Which of the following resources has your agency developed to support implementation of smart work zone technologies?
From page 192...
... C-54 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q11. Which of the following resources has your agency developed to support implementation of smart work zone technologies?
From page 193...
... Individual Survey Responses from DOTs C-55   Q11. Which of the following resources has your agency developed to support implementation of smart work zone technologies?
From page 194...
... C-56 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-27. Comments for Question 11 (resources to support implementation of smart work zone technologies)
From page 195...
... Individual Survey Responses from DOTs C-57   Table C-28. Individual responses to Question 12 (safety performance measures for smart work zone technologies)
From page 196...
... C-58 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q12. How often does your agency use the following performance measures to assess safety impacts of smart work zone technologies?
From page 197...
... Individual Survey Responses from DOTs C-59   Q12. How often does your agency use the following performance measures to assess safety impacts of smart work zone technologies?
From page 198...
... C-60 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-29. Comments for Question 12 (safety performance measures for smart work zone technologies)
From page 199...
... Individual Survey Responses from DOTs C-61   Table C-30. Individual DOT responses to Question 13 (operational performance measures for smart work zone technologies)
From page 200...
... C-62 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q13. How often does your agency use the following performance measures to assess operational impacts of smart work zone technologies?
From page 201...
... Individual Survey Responses from DOTs C-63   Q13. How often does your agency use the following performance measures to assess operational impacts of smart work zone technologies?
From page 202...
... C-64 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-31. Comments for Question 13 (operational performance measures for smart work zone technologies)
From page 203...
... Individual Survey Responses from DOTs C-65   Table C-32. Individual responses to Question 14 (data collection and storage for smart work zone technologies)
From page 204...
... C-66 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q14. Does your agency automatically collect data for work zone performance measures and store the data in a central location (for example, collecting ATMS data through a Traffic Management Center)
From page 205...
... Individual Survey Responses from DOTs C-67   Table C-33. Comments for Question 14 (data collection and storage for smart work zone technologies)
From page 206...
... Table C-34. Individual DOT responses to Question 15 (use of performance measures for smart work zone technologies)
From page 207...
... Q15. How does your agency use the performance measures that are collected for smart work zone technologies?
From page 208...
... Q15. How does your agency use the performance measures that are collected for smart work zone technologies?
From page 209...
... Q15. How does your agency use the performance measures that are collected for smart work zone technologies?
From page 210...
... C-72 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-35. Text responses for "Other" for Question 15 (use of performance measures for smart work zone technologies)
From page 211...
... Individual Survey Responses from DOTs C-73   Table C-37. Individual DOT responses to Question 16 (evaluation and economic studies for smart work zone technologies)
From page 212...
... C-74 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q16. Has your agency completed any studies to evaluate the effectiveness and/or return on investment of smart work zone technologies?
From page 213...
... Individual Survey Responses from DOTs C-75   Table C-38. Resources submitted for Question 16 (evaluation and economic studies for smart work zone technologies)
From page 214...
... C-76 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-40. Individual DOT responses to Question 17 (willingness to participate in case example)
From page 215...
... Individual Survey Responses from DOTs C-77   Q17. The synthesis study will also include case examples demonstrating agency practices for the use of smart work zone technologies to improve safety in work zones.
From page 216...
... C-78 Use of Smart Work Zone Technologies for Improving Work Zone Safety Q17. The synthesis study will also include case examples demonstrating agency practices for the use of smart work zone technologies to improve safety in work zones.
From page 217...
... Individual Survey Responses from DOTs C-79   Table C-41. Comments for Question 17 (willingness to participate in case example)
From page 218...
... C-80 Use of Smart Work Zone Technologies for Improving Work Zone Safety Table C-42. Comments for Question 18 (other comments on smart work zone technologies)
From page 219...
... Individual Survey Responses from DOTs C-81   Q18. Please provide any additional comments you may have regarding the use of smart work zone technologies to improve safety in work zones.
From page 221...
... D-1   A P P E N D I X D Suitability of Smart Work Zone Technologies Based on Project Characteristics Table D-1. Suitability of smart work zone technologies based on project characteristics (Ullman et al.
From page 222...
... D-2 Use of Smart Work Zone Technologies for Improving Work Zone Safety Critical Project Characteristics Work Zone ITS Applications Q ue ue w ar ni ng Re al -ti m e tra ve le r i nf or m at io n In ci de nt m an ag em en t D yn am ic la ne m er ge Va ria bl e sp ee d lim it Au to m at ed e nf or ce m en t* C on st ru ct io n ve hi cl e en tra nc e an d ex it wa rn in g Te m po ra ry ra m p m et er in g Pe rfo rm an ce m ea su re m en t Frequent incidents are expected to occur within the project    Having an operator able to view an incident within the project and assist responders in bringing appropriate equipment to the site will significantly reduce incident duration  A long-term lane closure will create a v/c condition that is very close to 1.0, and improved flow rates through the lane closure could reduce the likelihood that a queue would form, or reduce its duration significantly when a queue did form   The potential exists for queue spillback from the work zone into upstream interchanges or intersections (and resulting increase in cross-street congestion and rear-end crashes)

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