Effect of roadway geometrics and environmental factors on rural freeway accident frequencies
This paper explores the frequency of occurrence of highway accidents on the basis of a multivariate analysis of roadway geometrics (e.g. horizontal and vertical alignments), weather, and other seasonal effects. Based on accident data collected in the field, a negative binomial model of overall accid...
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| Veröffentlicht in: | Accident analysis and prevention 1995-06, Vol.27 (3), p.371-389 |
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| container_title | Accident analysis and prevention |
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| creator | Shankar, Venkataraman Mannering, Fred Barfield, Woodrow |
| description | This paper explores the frequency of occurrence of highway accidents on the basis of a multivariate analysis of roadway geometrics (e.g. horizontal and vertical alignments), weather, and other seasonal effects. Based on accident data collected in the field, a negative binomial model of overall accident frequencies is estimated along with models of the frequency of specific accident types. Interactions between weather and geometric variables are proposed as part of the model specifications. The results of the analysis uncover important determinants of accident frequency. By studying the relationship between weather and geometric elements, this paper offers insight into potential measures to counter the adverse effects of weather on highway sections with challenging geometrics. |
| doi_str_mv | 10.1016/0001-4575(94)00078-Z |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0001-4575 |
| ispartof | Accident analysis and prevention, 1995-06, Vol.27 (3), p.371-389 |
| issn | 0001-4575 1879-2057 |
| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Accident frequency Accidents, Traffic - prevention & control Accidents, Traffic - statistics & numerical data Binomial Distribution Cross-Sectional Studies Environment Design Environmental impact Humans Incidence Mathematical models Meteorology Negative binomial Poisson Distribution Q1 Risk Risk assessment Rural Population - statistics & numerical data Seasons Social Environment Washington - epidemiology Weather |
| title | Effect of roadway geometrics and environmental factors on rural freeway accident frequencies |
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