The Use of Video Detection at Signalized Intersections
Survey consists of responses from 124 traffic engineers representing 120 jurisdictions about the use of video detection at signalized intersections. Questions/topics include:
- What detection schemes do you use with your video detection?
- What is the typical length of your video detection zone?
- What features of your video detection system do you use?
- Given the typical orientation of your detection cameras, how far upstream of the stop bar can you reliably detect vehicles with your video detection system?
- How frequently do you inspect your video detection systems to determine if they are working properly?
- Characterization of citizen complaints regarding intersections with video detection.
- Ranking by respondents of items which cause the most trouble in their video detection system.
- Which of the following items cause problems with your video detection?
- Future use of video detection as indicated by respondents.
- What are the main advantages of video detection relative to inductive loops?
- What are the main disadvantages of video detection relative to inductive loops?
- Additional comments.
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