This report describes efforts to design and evaluate a new sign design for emergency route trailblazing in a two-part series. The first part involved an off-road field experiment designed to determine … [Read more...] about Improving the Conspicuity of Trailblazing Signs for Incident Management
Virginia Transportation Research Council
Effectiveness of Changeable Message Signs in Controlling Vehicles Speeds in Work Zones
This study evaluates the effectiveness of the CMS with radar unit in reducing work zone speeds. Four CMS messages designed to warn drivers that their speed exceeded the maximum safe speed were tested … [Read more...] about Effectiveness of Changeable Message Signs in Controlling Vehicles Speeds in Work Zones
Effectiveness of Changeable Message Signs in Controlling Vehicle Speeds in Work Zones – Phase II
This report is the second phase of a longitudinal research study. The first phase of the project, conducted by Garber and Patel, examined the short term effectiveness of CMS in reducing vehicle … [Read more...] about Effectiveness of Changeable Message Signs in Controlling Vehicle Speeds in Work Zones – Phase II