Evaluation of an In-Vehicle Active Traffic and Demand Management System finds that 73 percent of participants favor the technology Methodology An approximately 40-mile segment of I-66 between Manassas and Falls Church (both Eastbound and Westbound) was used for the study. There were four Variable Message Signs (VMS) along theā¦ Content type Benefit Date Posted 12/05/2016 Taxonomy (ARC-IT) Traffic Information Dissemination (TM06), Integrated Decision Support and Demand Management (TM09), Broadcast Traveler Information (TI01) Geolocation links Virginia, United States