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A Study of Accident Models for Highway Interchange Ramps  

Roh, Chang-Gyun (연세대학교 도시공학과)
Park, Chong-Seo ((주)세인시스템)
Son, Bong-Soo (연세대학교 도시공학과)
Publication Information
Journal of Korean Society of Transportation / v.26, no.4, 2008 , pp. 29-40 More about this Journal
Abstract
Although a good understanding of the relationship between highway traffic accidents and highway geometric features is fundamental in highway design and safety, the relationship is not well understood quantitatively. The overall goal of this paper is to formulate a reliable statistical model fitting to historical highway accident data. The model can be used to estimate the effect of road design elements on safety for the practical purposes of highway design applications. En route to achieving this goal, a number of specific research objectives were accomplished: investigate the major design elements affecting highway safety; review the existing modeling approaches in order to assess the relationship between safety and highway design features; and formulate a statistical model fitting to the accident data in order to estimate the interchange ramp junction accident frequency of rural highways.
Keywords
Negative Binomial Regression Model; Highway Interchange; Ramp; Accident Models; Accident frequency;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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