An Implementation of Proactive Variable Speed Limits (VSL) Was Simulated To Reduce Critical Traffic Conditions by 39 Percent. CONCLUSIONS The incidence of TTC values between 0 and 1 seconds decreased by 29 percent when a proactive VSL was employed, compared to the base scenario of a static speed limit. Overall, theā¦ Content type Benefit Date Posted 08/17/2022 Taxonomy (ARC-IT) Traffic Information Dissemination (TM06), Integrated Decision Support and Demand Management (TM09), Variable Speed Limits (TM20) Geolocation links Brisbane, Australia