Chapter
Nov 12, 2013
Analysis of Freeway Visibility Characteristics and Influencing Factors Based on Statistical Analysis Method
Publication: ICTE 2013: Safety, Speediness, Intelligence, Low-Carbon, Innovation
Abstract
Freeway visibility has significant time distribution. In this article, the statistical analysis method was used to study freeway visibility characteristics and influencing factors, which include humidity, temperature, wind speed, air pressure, etc. Then the scatterplots of visibility and its influencing factors were presented to illustrate the relationship among them. The author took Ruchen freeway for an example to make a detailed analysis. The results indicate (1) dense fog mainly occurs in evening; (2)visibility has good correlation with humidity and wind speed, while poor correlation with air pressure; and (3)dense fog mainly occurs in the temperature of 2°C to 6°C.
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Published In
ICTE 2013: Safety, Speediness, Intelligence, Low-Carbon, Innovation
Pages: 832 - 837
Copyright
© 2013 American Society of Civil Engineers.
History
Published online: Nov 12, 2013
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Authors
Affiliations
Southwest Jiaotong University, School of Transportation and Logistics, Chengdu, Sichuan 610031; National United Engineering Laboratory of Integrated and Transportation, Chengdu, Sichuan 610031. E-mail: [email protected]
Southwest Jiaotong University, School of Transportation and Logistics, Chengdu, Sichuan 610031. E-mail: [email protected]
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