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Bertrand Mareschal

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Abstract
« on: April 08, 2020, 04:27:34 PM »
GIS APPLICATION FOR THE EVALUATION OF ACCESSIBILITY INDICATORS IN THE ROAD NETWORK BETWEEN TWO HOSPITAL SERVICES: CASE STUDY - TLEMCEN CITY (ALGERIA).
Sofiane BOUNACEUR*1 Ahmed BOUMEDIENE2 Miloud DRISS 3
Abstract
The notion of mobility within geographical space was founded in the principle reflection, decisions and activities of man, whether in his daily life or in certain specific professions (railway stations, airports, hospitals, etc.). The state of the structure of transport networks and the efficiency and quality of their functioning create a spatial heterogeneity which results in more or less uncomfortable access conditions for the movement between two locations. This affects the travel time. However, the measurements require complete microscopic simulations to determine the increase value in travel time, which in turn makes it possible to predict network performance within congestion situation (functional vulnerability).
In this paper, we suggest a method implemented under a GIS software to evaluate the intrinsic degrees of vulnerability based on travel time in the road network of Tlemcen city (Algeria) as well as on the structural and functional state of the road network and the way length in order to optimize the travel time required for a hospital emergency service. This may reduce death number that is all too often caused by choosing a bad route based on the indicator of accessibility stemming from the length of the shortest way in time and distance.
Keywords: Road network, vulnerability, GIS, accessibility, shortest time path.
Bertrand