The Effectiveness and Safety of Traffic and Non-Traffic Related Messages Presented on Changeable Message Signs: Phase II Status: CompleteReport Date: 08/01/2008 Summary: Researchers evaluated how reducing the complexity and ambiguity of CMS messages would affect driver behavior and traffic flow, and learned that clarifying message content could lead to significant improvements in CMS safety and effectiveness. Final Deliverables: Report #2008-27 Technical Summary Related Materials: Related Research:
