Incident dispatching,clearance and delay |
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| Institution: | 1. Environmental Change Institute, Oxford University Centre for the Environment, South Parks Road, Oxford OX1 3QY, UK;2. NOAA Fisheries Service, 1315 East-West Highway, Silver Spring, MD 20910, USA;3. SCS Global Services, 2000 Powell St., Emeryville, CA 94608, USA;4. Institute for Oceans and Fisheries, Project Seahorse, University of British Columbia, AERL, 2202 Main Mall, Vancouver, BC V6T 1Z4, Canada;1. Empresa Pública de Emergencias Sanitarias, Almería, Andalucía, Spain;2. Sistema Emergencies Mediques, Catalunya, Spain;3. Hospital Virgen del Rocío, Sevilla, Andalucía, Spain;4. Fundación Pública Urxencias Sanitarias 061, Galicia, Spain;5. SUMMA112, Madrid, Spain;6. Servicio de urgencias extrahospitalarias de Navarra, Navarra, Spain;7. SAMU, Emergencias Sanitarias, Comunidad Valenciana, Spain;8. SAMU 061 Baleares, Islas Baleares, Spain;9. Servicio de Urgencias y Emergencias 061, La Rioja, Spain;10. Emergentziak-Emergencias, Osakidetza, Euzkadi, Spain;11. Emergencias Sanitarias, Castilla y León, Spain;12. Servicio de Emergencias 061 Cantabria, Cantabria, Spain;13. Servicio de Urgencias Canario, Islas Canarias, Spain;14. SAMU-Asturias, Asturias, Spain;15. 061 e Instituto de Ciencias de la Salud, Aragón, Spain;p. Emergencias sanitarias de Extremadura, Extremadura, Spain;q. SAMUR Protección Civil, Madrid, Spain;r. Servicio de Bomberos de Zaragoza, Aragón, Spain;s. Servicio de Urgencias y Emergencias, Castilla La Mancha, Spain;t. Servicio de Emergencias 061, Murcia, Spain;u. Unidad de Cuidados Intensivos, Hospital Río Carrión, Palencia, Spain;v. Empresa Pública de Emergencias Sanitarias, Andalucía, Spain;w. Hospital el Toyo, Almería, Spain;1. Department of Intensive Care, Austin Hospital, 145 Studley Rd, Heidelberg, VIC, Australia;2. Department of Anesthesia, Stanford University School of Medicine, 300 Pasteur Dr. H3580, Stanford, CA 94305, USA;3. Acute, Respiratory & Critical Care Medicine, Ysbyty Gwynedd, Bangor, UK;4. North of England Critical Care Network, North Tyneside General Hospital, Rake Lane, North Shields, Northumberland, UK;5. Critical Care & Critical Care Outreach, University College London Hospitals, UK;1. Department of Prosthodontics, Faculty of Odontology, Malmö University, Malmö, Sweden;2. Department of Biomaterials, Göteborg University, Göteborg, Sweden |
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| Abstract: | This paper models response times and delays for highway incidents, accounting for spacing between interchanges and the time penalty for changing directions, enabling a response vehicle to reach an incident on the opposite side of the highway. A fundamental question in dispatching incident crews is whether to send the closest vehicle that is currently available or to wait for another vehicle to become available that is even closer. Waiting for a closer vehicle is advantageous because service time is effectively reduced, adding to capacity and providing stability at higher levels of utilization. But waiting for a vehicle to become available adds uncertainty, which contributes to expected traffic delay. As a consequence, any reasonably robust dispatch strategy must provide for a hybridization of the two objectives, trading-off greater certainty in response time against stability at higher utilization levels. |
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