Guidelines for Timing Yellow and All-Red Intervals at Signalized Intersections (2012) / Chapter Skim
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Pages 52-53
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52 Conclusions The duration of the yellow change and red clearance intervals has an impact on driver behavior and intersection safety. The survey results and the literature review confirmed that agencies responsible for change interval timing take a widely varied approach in their practices.
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From page 53... ...
53 • For 2,458 vehicles sampled, the mean deceleration rate was found to be 10.08 ft/s2. This validates the generally accepted value used in the current ITE guidelines.
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