Researchers Used Surveys, Crash Data Analysis, and Field Observational Studies to Assess the Effectiveness of Safety-Related Messages Displayed on Dynamic Message Signs in Michigan.
Michigan, United States
Effectiveness of Crash Fact/Safety Message Signs on Dynamic Message Signs
Summary Information
Dynamic message signs (DMS) are electronic road signs, usually located along highways or major arterials, which can display messages selected by local or state Departments of Transportation. Typically, DMSs are used to display traffic information, weather information, or safety-related messages. A research team at Michigan State University conducted a mixed methods analysis to understand potential impacts on driver behavior and safety from displaying broader safety-related information, such as fatality statistics, on DMSs in Michigan. Analyses included:
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