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Simulating the environmental effects of isolated and area-wide traffic calming schemes using traffic simulation and microscopic emission modeling

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Abstract

This study focuses on the development of a microscopic traffic simulation and emission modeling system which aims at quantifying the effects of different types of traffic calming measures on vehicle emissions both at a link-level and at a network-level. It also investigates the effects of isolated traffic-calming measures at a corridor level and area-wide calming schemes, using a scenario analysis. Our study is set in Montreal, Canada where a traffic simulation model for a dense urban neighborhood is extended with capabilities for microscopic emission estimation. The results indicate that on average, isolated calming measures increase carbon dioxide (CO2), carbon monoxide (CO), and nitrogen oxides (NOx) emissions by 1.5, 0.3, and 1.5 %, respectively across the entire network. Area-wide schemes result in a percentage increase of 3.8 % for CO2, 1.2 % for CO, and 2.2 % for NOx across the entire network. Along specific corridors where traffic calming measures were simulated, increases in emissions of up to 83 % were observed. We also account for the effect of different measures on traffic volumes and observe moderate decreases in areas that have undergone traffic calming. In spite of traffic flow reductions, total emissions do increase.

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Authors and Affiliations

  1. Department of Civil Engineering and Applied Mechanics, McGill University, Macdonald Engineering Building, Rm 492, 817 Sherbrooke Street West, Montreal, QC, H3A 2K6, Canada

    Golnaz Ghafghazi & Marianne Hatzopoulou

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  1. Golnaz Ghafghazi
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  2. Marianne Hatzopoulou
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Correspondence to Marianne Hatzopoulou.

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Ghafghazi, G., Hatzopoulou, M. Simulating the environmental effects of isolated and area-wide traffic calming schemes using traffic simulation and microscopic emission modeling. Transportation 41, 633–649 (2014). https://doi.org/10.1007/s11116-014-9513-x

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  • DOI: https://doi.org/10.1007/s11116-014-9513-x

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