CO Emission Rate in Relation to Road Density of Different Road Grades and Travel Time in Beijing
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, the authors 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. The authors' 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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Availability:
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Supplemental Notes:
- © 2019 American Society of Civil Engineers.
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Corporate Authors:
American Society of Civil Engineers
1801 Alexander Bell Drive
Reston, VA United States 20191-4400 -
Authors:
- Chen, Yanyan
- Han, Yuan
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Conference:
- 19th COTA International Conference of Transportation Professionals
- Location: Nanjing , China
- Date: 2019-7-6 to 2019-7-8
- Publication Date: 2019-7
Language
- English
Media Info
- Media Type: Web
- Features: References;
- Monograph Title: CICTP 2019: Transportation in China—Connecting the World
Subject/Index Terms
- TRT Terms: Highway grades; Pollutants; Travel time; Urban highways
- Uncontrolled Terms: Road density
- Geographic Terms: Beijing (China)
- Subject Areas: Environment; Highways; Operations and Traffic Management;
Filing Info
- Accession Number: 01714480
- Record Type: Publication
- ISBN: 9780784482292
- Files: TRIS, ASCE
- Created Date: Aug 22 2019 4:41PM