Location Name Northern Virgina State Virginia Country United States Geo Type Point Latitude 38.83 Longitude -77.10
Ensure proper placement of variable speed limit (VSL) signs in a work zone and operate the VSL system consistently on a long term basis. Variable speed limit (VSL) systems improve traffic flow and increase safety. A VSL system uses detectors to collect data on current traffic and/or weather conditions. Posted speed limits on VLS signs… Content type Lesson Date Posted 11/16/2011 Taxonomy (ARC-IT) Traffic Information Dissemination (TM06), Integrated Decision Support and Demand Management (TM09), Variable Speed Limits (TM20), Reduced Speed Zone Warning / Lane Closure (VS09) Geolocation links Virginia, United States