A GIS BASED NEW NAVIGATION APPROACH FOR REDUCING EMERGENCY VEHICLE'S RESPONSE TIME

Abstract

Recently, for ensuring human life and safety, routing and intervening emergency vehicles

as soon as possible an important subject. Ambulance, firefighter, police and other emergency vehicles

are the main object of the intervention. Reaching the emergency area as soon as possible is important for

saving human life and preventing economic loss. Directing and routing emergency vehicles from the

moment they receive an emergency call to the event location must be considered carefully. In this study,

ensuring the shortest response time for the emergency vehicles, obstacles like speed bumps, traffic

lights, parking status of the streets, railroad crossings and crossroads which reduce the speed of

emergency vehicles and increasing the intervention time are detected. In order to determine the effect of

obstacles, a new Segment Effect Value (SEV) formula is developed. Values are assigned to the street

segments according to obstacles in particular streets. SEV formula makes possible to determine the

routes that provides the shortest intervention time. Results are compared with the shortest route and

the shortest time route.

Keywords

• Emergency response time
• Network analyst
• Geographical information systems

Acil Müdahale Araçlarının Müdahale Zamanını Azaltmak İçin Cbs Tabanlı Bir Navıgasyon Yaklaşım

Öz

İnsan yaşamını ve güvenliğini sağlamak için acil durum araçlarının olabildiğince hızlı müdahalesi

önemli bir konu haline gelmiştir. Ambulans, itfaiye, polis ve diğer araçları acil durum müdahale

araçlarının başında gelmektedir. Yaşam kayıplarının ve ekonomik kayıpların önüne geçmek için hızlı

müdahale büyük önem taşımaktadır. İhbar alınmasından itibaren olay yerine gidene kadarki

yönlendirme dikkatle yapılmalıdır. Müdahale zamanını kısaltmak için hız bariyerleri, trafik ışıkları, park

etmiş araçlar, demiryolu geçitleri ve kavşaklar gibi hız kesici engellerin bilinmesi gerekmektedir. Bu

engellerin etkisini ortaya koymak için Segment Etki Değeri (SED) isimli bir formül geliştirilmiştir ve bu

formül ile her bir cadde segmentine değer atanmıştır. Böylece araçların bu engellerle

karşılaşmayacakları en hızlı güzergah üzerinden gitmelerinin sağlanması amaçlanmıştır. En kısa yol ve

en hızlı yol arasındaki farklar paylaşılmıştır.

Anahtar Kelimeler

• Acil müdahale zamanı
• Ağ analizi
• Coğrafi bilgi sistemleri

Kaynakça

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