Chapter
Jul 2, 2019
CO Emission Rate in Relation to Road Density of Different Road Grades and Travel Time in Beijing
Authors: Yanyan Chen [email protected] and Yuan HanAuthor Affiliations
Publication: CICTP 2019
Abstract
Urban road plays a crucial role in traffic emissions. However, little is known about the roles played by the road density of different road grades. In this study, we fill this blank by analyzing the impact of the road density on the average travel time and the CO emission rate, and the road grade is considered. The results show a strong linear correlation between the road density of different road grades and travel time, and CO emission rate and travel time are uncorrelation. Besides, the obtained results indicate that correlation coefficients between the density of residential road and the CO emission rate are in very significant difference (P < 0.01), whereas the correlation with the density of expressway and arterial road are insignificant. Our findings appeal for an attention of the density of different road grades should be paid in the process of road planning and design.
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Published In
CICTP 2019
Pages: 3977 - 3987
Copyright
© 2019 American Society of Civil Engineers.
History
Published online: Jul 2, 2019
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Authors
Affiliations
Beijing Key Laboratory of Traffic Engineering, Beijing Univ. of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing 100124, China. E-mail: [email protected]
Yuan Han
Beijing Key Laboratory of Traffic Engineering, Beijing Univ. of Technology, No. 100, Pingleyuan, Chaoyang District, Beijing 100124, China.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.