First responders and transit system operators using optical preemption, an infrared technology developed in the 1970s, can now upgrade their fleets to Applied Information’s cellular-vehicle-to-everything (C-V2X) technology. This advancement enables them to request green lights at intersections, thereby reducing response times and enhancing safety.
Applied Information’s Glance Preemption system integrates both optical and C-V2X technologies, allowing them to work in unison to request green lights. In addition, the Glance Preemption system offers vehicle tracking and reporting for first responders. It can also alert the public to nearby active emergency vehicles through Waze, HAAS Alert Safety Cloud, and the TravelSafely smartphone app.
“The Glance Preemption system has proven time and time again to provide better response times, and now there is a seamless pathway for first responders to easily take advantage of the newer technology,” said Bryan Mulligan, President of Applied Information. “By navigating intersections faster and more safely than before, first responders can focus on what’s important—reaching people in an emergency.”
In areas where Glance Preemption has replaced optical-only systems, first responders have reported saving approximately 10 seconds per signalised intersection during emergency calls. One study found that using Glance Priority technology could reduce travel times by 47%.
The Glance Preemption system can manage multiple traffic signals along the route, ensuring traffic moves out of the way of emergency vehicles. The system utilises GPS, edge computing, and redundant cellular and direct radio communications to interface with traffic signals. Adding the Glance Optical Data Aggregator (ODA) activates the optical function and provides previously unavailable connectivity and reporting.
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