Methodologies for Mobility Impacts. Transportation Research Procedia

on the
Themes: impacts environnement, transport, mobilité
Motorized transportation modes all consume energy and emit local pollutants – chemical and noise. Congestion can also be considered as a local pollution caused by some emitters onto some receivers. Various methods have been designed to evaluate impacts and relate them to emitters and/or receivers. Called “attribution” in environmental evaluation or “imputation” in economic analysis, these schemes’ purpose is to identify the causes of impacts and to design management or compensation schemes to alleviate their negative effects. The paper presents an analytical framework to devise attribution schemes for local mobility impacts in a territorial area applicable to every ground transportation mode. The method's first step relies on the evaluation of each trip-maker's individual contribution to local impacts. Such individual contributions can then be aggregated along any path, hence any trip between origin and destination. The trip's impact can then be attributed to the tripmaker, or the zone at the origin or destination end of the trip. After providing with a general introduction, a bibliographical review of attribution methods, several attribution schemes are provided and discussed in this paper. Then associated computation scheme is presented and an application instance is dealt with in the final part of the article

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