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Traffic Signal Operations and Maintenance Staffing GuidelinesU.S. Department of Transportation Download the Printable Version [PDF, 821 KB] Table of ContentsNotice and Quality Assurance Statement Technical Report Documentation Page 1. Guidance for Operations and Maintenance Objectives and Performance Measures Appendix C. Frequency of Signal Retiming Appendix D. North Central Texas Council of Governments Ranking Model
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United States Department of Transportation - Federal Highway Administration |