Research Reports

Evaluation of the SafeLaneTM Overlay System for Crash Reduction on Bridge Deck Surfaces

Principal Investigator:

John F Evans

March 2010

Report no. Mn/DOT 2010-13

Projects: Evaluation of the SafeLaneTM Overlay System for Crash Reduction on Bridge Deck Surfaces

Topics: Bridges and Structures , Safety

The winter performance of the SafeLaneTM commercial overlay system has been evaluated at four installations on bridge decks in the state of Minnesota. The study was conducted over a period of a total of three years. Analyses included mechanical and chemical testing of the components, chloride analysis as a function of depth, friction by skid test and visual inspection. At one site plow operator?s comments were gathered to access retention of deicing chemicals from event to event. All sites were included in a comparison of accident frequency before and after overlay installation.

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