A Quasi-Poisson Approach on Modeling Accident Hazard Index for Urban Road Segments
Joint Authors
Ma, Lu
Yan, Xuedong
Qiao, Wenxin
Source
Discrete Dynamics in Nature and Society
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-03-04
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
In light of the recently emphasized studies on risk evaluation of crashes, accident counts under specific transportation facilities are adopted to reflect the chance of crash occurrence.
The current study introduces more comprehensive measure with the supplement information of accidental harmfulness into the expression of accident risks which are also named Accident Hazard Index (AHI) in the following context.
Before the statistical analysis, datasets from various sources are integrated under a GIS platform and the corresponding procedures are presented as an illustrated example for similar analysis.
Then, a quasi-Poisson regression model is suggested for analyses and the results show that the model is appropriate for dealing with overdispersed count data and several key explanatory variables were found to have significant impact on the estimation of AHI.
In addition, the effect of weight on different severity levels of accidents is examined and the selection of the weight is also discussed.
American Psychological Association (APA)
Ma, Lu& Yan, Xuedong& Qiao, Wenxin. 2014. A Quasi-Poisson Approach on Modeling Accident Hazard Index for Urban Road Segments. Discrete Dynamics in Nature and Society،Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-475636
Modern Language Association (MLA)
Ma, Lu…[et al.]. A Quasi-Poisson Approach on Modeling Accident Hazard Index for Urban Road Segments. Discrete Dynamics in Nature and Society No. 2014 (2014), pp.1-8.
https://search.emarefa.net/detail/BIM-475636
American Medical Association (AMA)
Ma, Lu& Yan, Xuedong& Qiao, Wenxin. A Quasi-Poisson Approach on Modeling Accident Hazard Index for Urban Road Segments. Discrete Dynamics in Nature and Society. 2014. Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-475636
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-475636