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Cid, Eduardo. Indicators of environmental performance for railway operations. XIII PANAMERICAN CONFERENCE IN TRAFFIC AND TRANSPORTATION, 13., 2004, Albany, New York.
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Abstract

This article presents the definition and evaluation of indicators of environmental performance for Brazilian railway operations. The methodology comprised a survey using a questionnaire, to obtain the degree of importance of 25 indicators, and the application of the statistical method Factorial Analysis, to determine and analyse the interrelation among the indicators. The questionnaire was applied to 82 specialists in transport and environment, aiming to obtain the degree of importance of each indicator according to a range of values varying between 1 to 10. The operational aspects covered by the selected indicators were particulate matters; noise; waste; falling material on the rail track; accidents involving hazardous materials, accidents involving humans or wild animals; and oil spills. The data analysis showed that 2 indicators were considered of high importance, 3 of low importance and 20 of medium importance. The highest importance was given to the indicators concerning train accidents involving hazardous materials classes 1 to 4 and classes 5 to 9. The indicator related to noise generated by locomotive engines presented the lowest standard deviation, while the largest variation of 2.9 was found for accidents involving people in railway terminals. As a result of the aggregation of variables given by the Factorial Analysis Method, the following categories of indicators for the environmental performance of railway operations were defined: particulate matters, water and soil contamination,railway infrastructure, and accidents in the railway
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