What is the difference between Bus Signal Priority & Preemption
When we talk about more reliable or faster transit services, the setting of red and green lights is crucial. Therefore, Traffic or Bus Signal Priority is helpful for any street-running transit vehicle, like buses, light rail, or streetcars. BSP is being more widely installed in North America to direct traffic congestion due to traffic signals for on-street transit services. Signal priority for transit vehicles helps in improving transit operations and service quality. BSP offers lesser benefits in areas with high bus volumes or very light traffic. So the most suitable priority method would be one that combines the various elements of existing priority techniques. At the same time, preemption is used at intersections with traffic signals to give the green light to buses, light rail, streetcar, trucks, emergency vehicles, or trains. The primary purpose of preemption is to reduce travel times, enhance safety, and clear a path so that the priority vehicle can reach its next stop or destination faster.
Bus Signal priority and preemption work well for any situation that needs to prioritize certain vehicles to clear a singular intersection or multiple ones within a corridor. Preemption will be typically used within congested corridors.
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