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Current Projects

Capability and usage guidelines for color Changeable Messages Signs

The objectives of this research effort are to perform a synthesis study and identify and document best practice in using colors and symbols on color, full-matrix Changeable Messages Signs (CMS); develop a guidance document to practitioners for using colors and symbols on full-matrix CMSs; based on current and best practices, recommend symbols and graphics for display on CMSs to ensure drivers recognition and comprehension; conduct a human factors study to analyze the effects of using the above recommended symbols and graphics on CMS messages; identify and recommend changes or new provisions, and provide justifications based on the human factors study to the FHWA's Manual on Uniform Traffic Control Devices (MUTCD) Team with regard to the use of colors, symbols and graphics on CMS messages.