Guide on Methods for Assigning Counts to Adjustment Factor Groups

This report provides information and guidance on the methods for assigning counts to adjustment factor groups used in estimating annual average daily traffic (AADT). This guide will help highway agencies and other organizations improve the quality of traffic information and support decisions regarding capital investment programs and budgets, as well as design and maintenance programs. The guide also includes case studies that illustrate the application of the recommended methods by three state departments of transportation (DOTs).

• Record URL:
  • https://doi.org/10.17226/27925
• Record URL:
  • https://nap.nationalacademies.org/catalog/27925/guide-on-methods-for-assigning-counts-to-adjustment-factor-groups
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/9780309725071
• Authors:
  • Tsapakis, Ioannis
  • Anderson, Paul
  • Wei, Zihang
  • Turner, Shawn
  • Das, Anik
  • Hallenbeck, Mark
  • Chen, Ben
  • Stolz, Elizabeth
• Publication Date: 2024

Language

• English

Media Info

• Media Type: Digital/other
• Features: Appendices; Figures; References; Tables;
• Pagination: 105p
• Serial:
  • NCHRP Research Report
  • Issue Number: 1124
  • Publisher: Transportation Research Board
  • ISSN: 2572-3766

Subject/Index Terms

• TRT Terms: Adjustment factors; Annual average daily traffic; Case studies; Guidelines; Methodology; Traffic counts; Traffic estimation
• Subject Areas: Highways; Operations and Traffic Management;

Filing Info

• Accession Number: 01932788
• Record Type: Publication
• ISBN: 9780309725071
• Report/Paper Numbers: NCHRP Project 07-30
• Files: TRIS, TRB
• Created Date: Oct 5 2024 11:51AM