01153440

Component

https://doi.org/10.3141/2148-03

http://scholar.google.com...wska&publication_year=2010

The influence on traffic safety of certain road geometric parameters and characteristics is identified. The research involves real data about multivehicle accidents without pedestrians on nonurban roads for a chosen region of Poland. The accident data were integrated with the road data for the accident location by means of the author’s computer programs. Logistic regression in the form of the proportional odds ratio model and continuation ratio logits was investigated in the analysis. The threat on the road is represented by accident severity, which is the ordered response variable subject to the classification task. The set of explanatory variables consists of the road design elements (e.g., vertical and horizontal curves) as well as information on road access (e.g., bus stops, public and private access lanes) and land use (e.g., gas stations, parking places). The modeling results indicate that the following features have a statistically significant influence on accident severity: the type of shoulders on both sides of a roadway, area type, pedestrian sidewalks, and the presence or absence of intersections.

01164464

10-0189

English

pp 16-26

2010

Transportation Research Record: Journal of the Transportation Research Board

9780309142793

Print

Figures (1) ; References (29) ; Tables (5)

Access roads; Bus stops; Crash locations; Crash severity; Geometric design; Highway safety; Intersections; Land use; Logistic regression analysis; Road shoulders; Rural areas; Sidewalks; Traffic crashes

Poland

Design; Highways; Safety and Human Factors; I82: Accidents and Transport Infrastructure

TRIS, TRB, ATRI

Jan 25 2010 10:09AM

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