Risk factors associated with high potential for serious crashes.

Al-Kaisy, Ahmed; Ewan, Levi; Veneziano, David; Hossain, Fahmid; Western Transportation Institute

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Risk factors associated with high potential for serious crashes.

2015-09-01
By Al-Kaisy, Ahmed ; Ewan, Levi ; Veneziano, David ; ...

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English

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Details:

Creators:

Al-Kaisy, Ahmed ; Ewan, Levi ; Veneziano, David ; Hossain, Fahmid

Al-Kaisy, Ahmed ; Ewan, Levi ; Veneziano, David ; Hossain, Fahmid Less -
Corporate Creators:

Western Transportation Institute
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Accident Data Accident Prone Locations Accident Risk Forecasting Countermeasures Data Analysis Highway Safety Low Volume Roads Risk Analysis
Publication/ Report Number:

FHWA-OR-RD-16-05
Resource Type:

Tech Report
Geographical Coverage:

Oregon
Corporate Publisher:

Oregon. Dept. of Transportation. Research Unit
Abstract:

Crashes are random events and low traffic volumes therefore don’t always make crash hot-spot

identification possible. This project has used extensive data collection and analysis for a large sample

of Oregon’s low volume roads to develop a risk index that expresses the crash risk for different road

geometries and roadside features as well as crash history and traffic exposure. This crash risk index can

then be a proactive means of identifying potentially risky locations where safety treatments might be

best targeted. The economic analysis completed as part of this effort can be used in conjunction with

the risk index when determining which safety treatments may result in the highest return on investment

for agency safety improvement funds. This report includes a review of literature related to features

effecting crash risk and other past risk index efforts, the data collection and analysis methods used in

quantifying risks, the establishment of the crash risk index, an economic feasibility analysis showing

which treatments may be the best options for Oregon’s low volume roads, and a few case studies

highlighting the use of the crash risk index on three samples of Oregon’s low volume roadways.
Format:

PDF
Funding:

SPR 771
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:024602eec606dd7789a66059c164217cb838f23c1464dda079c09a8c65ebe957
Download URL:

https://rosap.ntl.bts.gov/view/dot/29388/dot_29388_DS1.pdf
File Type:

[PDF-7.05 MB]