An Emission Analysis on Toxic Substances (SPM and NOx) from Transportation Network System in Tokyo of Japan

Kiyoshi Dowaki (), Kouichiro Yoshiya and Shunsuke Mori
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Kiyoshi Dowaki: Tokyo University of Science
Kouichiro Yoshiya: Tokyo University of Science
Shunsuke Mori: Tokyo University of Science

A chapter in Operations Research Proceedings 2005, 2006, pp 571-576 from Springer

Abstract: Abstract Recent years, the increases in toxic substances of NOx and/or SPM (Suspended Particulate Matter) from vehicles come to be serious problem. In this paper, we estimated the concentrations of SPM and NOx using a traffic flow model. This model has a characteristic of which the traffic volume in each link and the average speed can be decided by solving the problem on the travel time minimization. We also considered the traffic congestions and/or the toll roads in the model, and these effects were reflected to it by converting the time functions. About the correlation between the traffic volume in our model and the real volume, we obtained the correlation coefficient of 0.74. Simultaneously, we got the result that the concentration of NOx was approximately 70 to 230 ppb. That of SPM was approximately 40 to 100 µg/m3.

Keywords: Traffic flow model; SPM; NOx; Tokyo area (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:spr:oprchp:978-3-540-32539-0_90

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DOI: 10.1007/3-540-32539-5_90

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