01550125

Component

In the paper, results from in-depth investigation of 2,750 run-off-the-road (ROR) crashes on the motorway A16 (Italy) are presented. The research is aimed at pointing out risk factors that can address highway agencies and designers toward the selection of safety countermeasures aimed at reducing ROR crashes severity. Crash data were collected through the analysis of police crash reports and relate to the period 2001-2011. Crash severity was assessed in three categories (property damage only, slight injury, and severe injury/fatal) basing on police and hospital reports. Effects on crash severity were estimated through a multinomial logit model. The investigated factors included crash dynamics, number of crash events, day type, weather conditions, lighting conditions, cross-section characteristics, alignment, pavement conditions, most harmful impacted object, point of first impact, safety barrier performance, involved vehicles, driver’s gender, driver’s age, driver’s behavior, presence of passengers, passenger gender, passenger age, and seat belt use. Factors significantly contributing to an increase of crash severity were crash dynamics, alignment, most harmful impacted object, point of first impact, safety barrier performance, driver’s gender, driver’s behavior, and seat belt use.

This paper was sponsored by TRB committee ANB20 Safety Data, Analysis and Evaluation.

01550057

15-0123

English

14p

2015

Transportation Research Board 94th Annual Meeting

Digital/other

References (52) ; Tables

Crash characteristics; Crash injuries; Crash severity; Drivers; Ran off road crashes; Risk assessment; Seat belt use

Italy

Highways; Safety and Human Factors; I82: Accidents and Transport Infrastructure; I85: Safety Devices used in Transport Infrastructure

Transportation Research Board Annual Meeting 2015 Paper #15-0123

TRIS, TRB, ATRI

Dec 30 2014 12:11PM