Traffic Sign Life Expectancy

Status: Complete
Report Date: 06/13/2014

Summary:

The primary goal of this research is to provide objective data about sign life based on the degradation of retroreflectivity and color over time.

Final Deliverables:

Traffic Sign Life Expectancy (Report #2014-20)
Estimating Traffic Sign Life Expectancy (Research Summary)

Related Materials:

TRS: Sign Life-Cycle Policies and Practices (News/Publication Article)
Traffic Sign Life Expectancy Project webpage (Other)
Traffic Sign Inspection Sheet Sample 1 (Other)
Traffic Sign Inspection Sheet Sample 2 (Other)
How better sign managment could save Minnesota millions (Blog Post)
Related Research: Minnesota Best Practices for Traffic Sign Maintenance/Management Handbook - Updated (Other)
Traffic Sign Life Maintenance/Management Handbook (Brochure/Handout)
What's the life of a sign? (Blog Post)
Sign Life Expectancy Research Project (Video/Webinar)

Related Research:

Project Personnel:

Principal Investigator: Howard Preston
Technical Liaison: Tim Plath
Project Coordinator: Shirlee Sherkow
Panel Members:
    Bradley Lechtenberg - Maintenance
    Dan Sauve - Clearwater County Hwy Dept
    Heather Lott - Traffic, Safety & Technology
    James McGraw - Materials & Road Research
    KC Atkins - Hennepin County
    Kristi Sebastian - FHWA - Minnesota Division Office
    Lee Amundson - Lincoln County Engineer
    Mark Ray - City of Burnsville
    Mark Vizecky - State Aid for Local Transp
    Matthew Lebens - Aeronautics
    Maureen Jensen - Freight & Commcl Veh Ops
    Randy Newton - City of St. Paul
    Trisha Stefanski - Asset Management
    Victor Lund - St. Louis County Public Works - Engineer