Effectiveness of safety and public service announcement (PSA) messages on dynamic message signs (DMS)

This report assesses the usefulness and effectiveness of safety and public service announcement (PSA) messages through surveys conducted in four urban areas in the United States: Chicago, Illinois; Houston, Texas; Orlando, Florida; and Philadelphia, Pennsylvania. The surveys were designed to specifically address the types of safety and PSA messages for each respective city. A total of 2,088 survey responses were received and analyzed. The report further captures findings and recommendations based on the analysis of the survey responses.