Selection of Materials to Optimize Sign Performance

The objective of the research is to develop a simple user-friendly decision-making tool that will aid transportation agencies in the selection of retroreflective materials for traffic signs, based on roadways conditions and other factors that most critically affect sign performance.


  • English


  • Status: Completed
  • Contract Numbers:

    Project 4-29

  • Sponsor Organizations:

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  USA  20590

    American Association of State Highway & Transportation Officials

    444 North Capitol Street, NW, Suite 225
    Washington, DC    20001

    National Cooperative Highway Research Program

    Transportation Research Board
    500 Fifth Street, NW
    Washington, DC  USA  20001
  • Project Managers:

    Hedges, Christopher

  • Performing Organizations:

    University of Iowa, Iowa City

    102 Church Street
    Iowa City, IA  USA  52242
  • Principal Investigators:

    Schnell, Thomas

  • Start Date: 20010502
  • Actual Completion Date: 20060601
  • Source Data: RiP Project 5692

Subject/Index Terms

Filing Info

  • Accession Number: 01461031
  • Record Type: Research project
  • Source Agency: National Cooperative Highway Research Program
  • Contract Numbers: Project 4-29
  • Files: RiP, USDOT
  • Created Date: Jan 3 2013 1:37PM