How can traffic signal preemption be used to improve emergency response times?

1 Types of preemption

Different methods of activating and communicating preemption requests between emergency vehicles and traffic signals exist, such as optical, radio, and GPS. Optical is low-cost and widely used, but can be affected by weather, sunlight, and interference from other sources. Radio is more reliable and secure, but requires more equipment and maintenance. GPS is more advanced and flexible, but relies on the availability and accuracy of the GPS signal and the network connection. Ultimately, each option has its own advantages and disadvantages.

4 Integration of preemption

Integrating traffic signal preemption into a transportation planning strategy requires assessing the needs and goals of emergency response and transportation planning, such as the types and frequency of incidents, the travel patterns and demand, and the performance measures and standards. Additionally, you should evaluate the feasibility and suitability of different types of preemption systems, such as the availability and compatibility of technology, the costs and benefits, and the regulatory and legal issues. Furthermore, designing and implementing the preemption system includes location and configuration of sensors and controllers, preemption logic and sequence, as well as communication and coordination protocols. Finally, monitoring and evaluating the preemption system requires data collection and analysis, performance indicators and feedback, as well as adjustments and improvements.

5 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?