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TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 409: Traffic Signal Retiming Practices in the United States explores practices that operating agencies currently use to revise traffic signal timing. The report examines the processes used to develop, install, verify, fine-tune, and evaluate the plans.

Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2010. Traffic Signal Retiming Practices in the United States. Washington, DC: The National Academies Press. https://doi.org/10.17226/22915.

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Publication Info

80 pages | 8.5 x 11 |  DOI: https://doi.org/10.17226/22915
Chapters skim
Front Matter i-viii
Summary 1-80
Abbreviations 81-82

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