Elise Miller-Hooks
GMU


Publications: Conference 13

“Dynamic Relocation of Scarce Resources: The Case of Emergency Medical Service Vehicles in Montreal”

Proceedings of the International Conference and 8th International Workshop on Transportation Planning and Implementation Methodologies for Developing Countries (TPMDC 2008), IIT Bombay, India.
Nair. R. and E. Miller-Hooks (2008)

Managers of Emergency Medical Service (EMS) vehicles position their fleet to provide quick response to potential emergencies. Deployment strategies for positioning the fleet are typically static and do no account for variation of demand patterns over time and changes in travel times over the course of a day across the network.

For cases where resources are adequate, and enough vehicles are employed, all demand can be covered at all periods. However, in cases where resources are limited, a relocation strategy that temporarily realigns the EMS fleet in response to changes in demand patterns can potentially improve system performance.

In this paper, we quantify the benefits of considering relocating EMS vehicles between calls. Since there are costs associated with repositioning the vehicles, trade-offs between improved coverage and cost must be considered. Relocation strategies that consider system uncertainty are compared to static deployment strategies. A real-world analysis is conducted using emergency call data from Montreal, Canada.

 




Elise Miller-Hooks, Ph.D.
Professor
Bill & Eleanor Hazel Chair in Infrastructure Engineering

Phone: 703.993.1685
Email: miller@gmu.edu

Office: 4614 Nguyen Engineering Building

Address:
Sid and Reva Dewberry Department of Civil, Environmental and Infrastructure Engineering
George Mason University
4400 University Drive, MS 6C1
Fairfax, VA 22030
USA


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