Time is the most important factor in accidents
emergency services. In general, a golden time period is
defined for response to an accident and if first aid and
medical assistance is accessed within this time period,
victims have a greater chance of survival. The aim of this
paper is to show how GIS is used to identify the best
emergence system location along the road network
according to accident black spots and response time.
Khuzestan road network is chosen as a case study in this
research and the results of Ramhormoz-Behbahan route in
this province are selected to show in this paper. For this
reason, the road accidents data during 2006 to 2009 in this
province is analyzed. The results of this research show that
the current EMS locations do not cover accident black spots
even by 20 minutes response time. Therefore, new EMS
locations are recommended according to accident black
spots. These new EMS will decrease response time by 15
minutes and the survival chance victims will increase.
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