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NEW PROPOSED RECOMMENDED PRACTICE AVAILABLE FROM ITE
The report presents the current state-of-the-practice and provides the user with a broad overview of key considerations to determine yellow change and red clearance intervals for traffic signals and their application. This report is published as an ITE proposed recommended practice. As such, it is to be considered in its proposed form, but is subject to change after receipt and consideration of comments and suggestions received from those who have reviewed the report.
Readers are encouraged to submit their written suggestions for improving this report via email to:
or postal mail to:
Douglas E. Noble
Senior Director, Management and Operations
Institute of Transportation Engineers
1627 Eye Street, NW, Suite 600
Washington, DC 20006 USA.
Written suggestions should be received at the above address no later than July 31,2015 to ensure consideration for incorporation into the final recommended practice report.
Purpose and Intended Use
ITE's intent for the proposed recommended practice is to reflect a thoughtful balance between sound engineering theory and practical application,The underlying assumptions presented in the report should yield reasonable times for the yellow change and red clearance intervals for traffic signals that allow the profession to balance those durations while enhancing intersection safety and maintaining reasonable traffic flow. The goal of the proposed recommended practice is to create a consensus methodology for calculating and evaluating traffic signal change intervals that can be uniformly and consistently implemented by transportation agencies. The scope of the report is limited to yellow change and red clearance intervals for vehicular movements at signalized intersections and does not address enforcement or pedestrian signals.
This proposed recommended practice was written primarily for an audience of engineers engaged in the activity of determining yellow change and red clearance intervals. It is recognized that proper application of these intervals is dependent upon correct...