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A dynamic ambulance routing model with multiple response

Soovin Yoon and Laura A. Albert

Transportation Research Part E: Logistics and Transportation Review, 2020, vol. 133, issue C

Abstract: Emergency medical services systems equipped with both advanced and basic emergency vehicles often dispatch both types of vehicles to one call, which is called multiple response. Multiple response allows for faster response times at the potential cost of making more vehicles unavailable for service. To evaluate the value of multiple response, we formulate a Markov decision process model that dynamically determines which type of vehicle(s) to dispatch based. We show that the optimal policies are class separable. Numerical experiments demonstrate that multiple response can significantly improve system performance when patients health needs are uncertain.

Keywords: Markov decision processes; Tiered emergency medical services; Multiple response; Ambulance dispatching (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1016/j.tre.2019.11.001

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