Exploring the Benefits of a Traffic Signal Preemption


Traffic signal preemption TSP (also known as traffic signal prioritization) is a system that permits the operator to annul the regular operation of traffic lights. The most common use of these systems is that they operate traffic signals in the path of an emergency vehicle to stop conflicting traffic and move the emergency vehicle right-of-way, thereby slowing down the response times and enhancing traffic safety. Traffic Signal preemption can also be used on light-rail, tram, and bus rapid transit systems to give priority access to public transportation through intersections and railroad systems at crossings to avoid collisions.

TSP provides the Green light for emergency vehicles, trains, and light rail. Preemption differs from priority because it takes charge of the intersection and immediately changes all directions to red except for the direction involving emergency vehicles, trains, or light rail. Preemption will annul any signal priority and will terminate a lengthy green light in favor of the vehicle that is requesting preemption. This helps emergency vehicles reduce the time it takes them to reach their destination by clearing a path via traffic signals. It also improves safety measures by allowing the emergency vehicle, train, or light rail to proceed by providing a red light to all vehicles, pedestrians, and bicyclists that are expected to stop.

The benefits of preemption systems are that they can very effectively reduce response times or duration for emergency vehicles. Nationwide studies have shown a 15 to 50 percent reduction in response times and a 75 percent decrease in crashes that involve emergency vehicles. These improvements have a great impact on the results of medical emergencies and greatly improve traffic safety.

At Emtrac Systems, they perfectly combine radio transmission, cellular, and GPS technology into all together one easy-to-use tool. Their newest designed preemption systems, like GPS, cellular, and radio technologies, can help in clearing traffic well beforehand and easily lessen emergency response times. Contact the EMTRAC system for the Transit Signal Preemption (TSP) program by phone: (214) 607-0100, Mobile: (618) 316-4633, and via email at: Info@Emtracsystems.Com.

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