Clear Roads' Safety Effect on Elderly Drivers

Since about five years, Maine Department of Transportation (and many other states) uses anti-icing rather than deicing to keep the state's highways clear of snow and ice, a Clear Roads Strategy. It meets the general public's demand for high-speed highways in all but the worst storms. But there are instances when icy spots remain. Especially elderly drivers with less good eye-sight (particularly when it is dark) may not notice those slippery spots. The influence of different anti-icing and deicing techniques on crash statistics during storms have not been analyzed in Maine or in any other state according to the literature survey conducted as part of preparing this proposal. The objective with this project is to study the safety of the Clear Roads Strategy. In particular, has the strategy lead to higher-speed injury crashes substituting low-speed property-damage-only crashes? If it is concluded that there is a safety problem, one solution may be to reduce speeds by making the variable advisory speed limits on Maine highways enforceable.


    • English


    • Status: Completed
    • Contract Numbers:



    • Sponsor Organizations:

      Research and Innovative Technology Administration

      Department of Transportation
      1200 New Jersey Avneue, SE
      Washington, DC  United States  20590
    • Performing Organizations:

      University of Maine, Orono

      Department of Civil and Environmental Engineering.
      5717 Corbett Hall
      Orono, ME  United States  04469-5711
    • Principal Investigators:

      Garder, Per

    • Start Date: 20070901
    • Expected Completion Date: 0
    • Actual Completion Date: 20090831
    • Source Data: RiP Project 19940

    Subject/Index Terms

    Filing Info

    • Accession Number: 01480778
    • Record Type: Research project
    • Source Agency: New England University Transportation Center
    • Contract Numbers: DTRT07-G-0001, UMER20-11
    • Files: UTC, RiP
    • Created Date: May 7 2013 1:02AM