The Virginia Department of Transportation (VDOT) and several other state departments of transportation have expressed interest in modifying the advanced warning sign for work zone flagging operations. … [Read more...] about Assessment of Advanced Warning Signs for Flagging Operations
Virginia Transportation Research Council
Technical Assistance Report – Traffic Management Techniques for Work Zones
The purpose of this effort was to conduct a literature review and canvass other state departments of transportation (DOTs) to identify new traffic management and construction techniques for use on … [Read more...] about Technical Assistance Report – Traffic Management Techniques for Work Zones
Improving the Conspicuity of Trailblazing Signs for Incident Management
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
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 speeds … [Read more...] about Effectiveness of Changeable Message Signs in Controlling Vehicle Speeds in Work Zones – Phase II