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Rights & Permissions Free PDF Access Sign in to download PDF book and chapters Free Resources Display this book on your site! Related Titles NCHRP Report 509: Equipment for Collecting Traffic Load Data NCHRP Web Doc 13 Developing Measures of Effectiveness for Truck Weight Enforcement Activities:Final Report Other Related Titles NCHRP Report 538: Traffic Data Collection, Analysis, and Forecasting for Mechanistic Pavement Design (2005) National Cooperative Highway Research Program (NCHRP) Citation Manager Export the bibliographic data for this book in your chosen format Web Search Builder Use this book's key terms to search within this book, across our collection, or across the Web. Skim This Chapter Skim this chapter and use this chapter's key terms to search within this book. Reference Finder Paste in your own text to find books that relate to your topic. Citation Manager Transportation Research Board. "Levels of Classification Site." NCHRP Report 538: Traffic Data Collection, Analysis, and Forecasting for Mechanistic Pavement Design. Washington, DC: The National Academies Press, 2005. Please select a format: Page 55   E-mail Share on facebook Facebook Share on delicious Delicious Share on stumbleupon Stumble Share on twitter Twitter More Sharing ServicesMore Page 55 Front Matter (R1-R70) 1.1 Traffic Data Requirements for the Pavement Design Guide Software (1-1) 1.2 The Remainder of Part 2 (2-3) 2.0 Weight Data (4-5) 2.1 Sources of Estimation Error (6-7) 2.2 Alternative Data-Collection Programs (8-11) 2.3 Level 1 WIM Sites (12-16) 2.4 Level 2 WIM Sites and TWRGs (17-19) 2.5 Level 3 WIM Sites (20-20) 2.6 Weight Data Collection (21-22) 3.1 Levels of Classification Site (23-23) 3.2 Data Produced for the Pavement Design Guide Software (24-24) 3.3 Level 1 Classification Sites (25-33) 3.4 Level 2 Classification Sites (34-36) 3.5 Level 3 Classification Sites (37-38) 3.6 Forecasts (39-44) 4.1 Data Collection (45-46) 4.2 Data Analysis (47-51) 4.3 Administrative and Institutional Changes (52-53) Glossary (54-54) Levels of Classification Site (55-55) Levels of WIM Site (56-56) Abbreviations used without definitions in TRB publications (57-57)

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Levels of Classification Site 1A Site for which AVC data are available for periods of at least 1 week for at least 12 consecutive months. 1B AVC site that is reasonably near a Level 1A site on the same road. 2A Site for which an AVC count is available for a period of at least 48 hours. 2B Site for which a manual classification count for a minimum of 6 weekday hours is available. 3A Any other site for which volume counts are available and that is on the same road as a Level 1 or 2 site. 3B Any other volume-count site. 2-55