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A network-based Transit Signal Priority (TSP) system is typically composed of three critical components:
Transit Vehicle Detection System – Identifies and tracks the movement of buses or other transit vehicles.
Traffic Signal Control System – Adjusts signal timings based on vehicle approach and priority logic.
Transit/Traffic Management Center – Oversees operations, integrates data, and implements control strategies in real-time.
Though both TSP and Traffic Signal Preemption for Emergency Vehicles aim to modify signal timings, they serve different purposes and levels of urgency. TSP is a scheduled, moderate intervention to improve transit reliability. It fine-tunes signal operations to reduce delays for buses and light rail vehicles without disrupting normal traffic patterns.
In contrast, traffic signal preemption is a more assertive method used for emergency scenarios. It overrides regular signal cycles to immediately grant right-of-way to emergency responders such as ambulances, fir
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