Title: Effectiveness of safety and public service announcement (PSA) messages on dynamic message signs (DMS)
Description: 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.
Subjects: Traffic signs and signals, Testing, Human information processing, Variable message signs, Advanced traveler information systems