Computer-Assisted Risk Assessment of Dangerous Goods Transportation for Haute-Normandie

by Sylvain Lassarre, Intl Inst for Applied Systems, Analysis, Laxenburg, Austria,
Kurt Fedra, Intl Inst for Applied Systems, Analysis, Laxenburg, Austria,
Elisabeth Weigkricht, Intl Inst for Applied Systems, Analysis, Laxenburg, Austria,

Abstract: To assess the 'best' routes for the transport of dangerous goods in an area of 600 km2 in France, software based on a geographical information system to manage, treat and represent statiscal and geographical data related to the evaluation of the risk of transport on a road network was developed. Probability of accident and release are attributed to arcs of the digitized network provided by IGN on a 1/50 000 scale, according to their characteritics. Active, scholar, and non-active population issued from the 1982 INSEE census, are distributed among categorized (urban, industrial...) areas of administrative units called 'communes'. The intersection of this population layout with an impact zone (a corridor along the road of which the width depends on the nature and quantity of the dangerous materials), leads to a measure of the exposed people to damage. Multiplication of the accident probability by exposed people gives an estimation of the relative risk used to compare alternative routes in order to choose the less risky route.

Subject Headings: Risk management | Hazardous materials | Information systems | Freight transportation | Computer aided operations | Routing (transportation) | Probability | Transportation studies | Systems management | France | Europe

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