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TRB’s National Cooperative Highway Research Program (NCHRP) Report 812: Signal Timing Manual - Second Edition, covers fundamentals and advanced concepts related to signal timing. The report addresses ways to develop a signal timing program based on the operating environment, users, user priorities by movement, and local operational objectives.

Advanced concepts covered in the report include the systems engineering process, adaptive signal control, preferential vehicle treatments, and timing strategies for over-saturated conditions, special events, and inclement weather.

An overview PowerPoint presentation accompanies the report.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2015. Signal Timing Manual - Second Edition. Washington, DC: The National Academies Press. https://doi.org/10.17226/22097.

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Publication Info

322 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/22097
Chapters skim
Front Matter i-viii
Chapter 1 - Introduction 1-7
Chapter 2 - Signal Timing Program 8-13
Chapter 3 - Signal Timing Concepts 14-45
Chapter 4 - Signal Design 46-74
Chapter 5 - Introduction to Timing Plans 75-107
Chapter 6 - Intersection/Uncoordinated Timing 108-137
Chapter 7 - System/Coordinated Timing 138-179
Chapter 8 - Implementation and Maintenance 180-204
Chapter 9 - Advanced Signal Systems 205-224
Chapter 10 - Preferential Treatment 225-255
Chapter 11 - Special Conditions 256-270
Chapter 12 - Oversaturated Conditions 271-293
Appendix A - Glossary 294-307

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