High-tension Cable Median Barrier Safety Effectiveness Evaluation

Storm, Richard; Srinivasan, Raghavan; Lan, Bo; Klump, Sam; Herring, Rebecca; Wemple, Beth; Saleem, Taha; Schroeder, Whitney; University of North Carolina at Chapel Hill. Highway Safety Research Center; HDR Engineering; Lakeside Engineers

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High-tension Cable Median Barrier Safety Effectiveness Evaluation

2022-10-01
By Storm, Richard ; Srinivasan, Raghavan ; Lan, Bo ; ...

[PDF-2.73 MB]

English

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Details:

Creators:

Storm, Richard ; Srinivasan, Raghavan ; Lan, Bo ; Klump, Sam ; Herring, Rebecca ; ... More +

Storm, Richard ; Srinivasan, Raghavan ; Lan, Bo ; Klump, Sam ; Herring, Rebecca ; Wemple, Beth ; Saleem, Taha ; Schroeder, Whitney Less -
Corporate Creators:

University of North Carolina at Chapel Hill. Highway Safety Research Center ; HDR Engineering ; Lakeside Engineers

University of North Carolina at Chapel Hill. Highway Safety Research Center ; HDR Engineering ; Lakeside Engineers Less -
Corporate Contributors:

Minnesota. Department of Transportation. Office of Research & Innovation
Subject/TRT Terms:

[+]

Before And After Studies Crash Modification Factors Cross Sectional Studies Median Barriers Traffic Safety
Publication/ Report Number:

MN 2022-34
Resource Type:

Tech Report
Geographical Coverage:

Minnesota ; United States

Minnesota ; United States Less -
Edition:

Final Report
Corporate Publisher:

Minnesota. Department of Transportation. Office of Research & Innovation
Abstract:

The objective of this study was to evaluate the change in crash frequency or severity of varying lateral offset distances of high-tension cable median barriers in Minnesota. Crash and traffic data from 2016 to present were conjoined with roadway cross-sectional data and high-tension cable barrier locations to perform cross-sectional analyses for interstate segments equal to or greater than 0.05-miles long. Negative binomial regression models were estimated and used to develop crash modification factors (CMFs) for the following crash types: total crashes, target crashes, and barrier crashes. In addition to evaluating the impact of lateral offset, a naïve before-after evaluation was completed to quantify the impact of installing high-tension cable barrier.
Format:

PDF
Funding:

(c) 1030652
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:12aaef8de5520c1ac8a335deeb728132acf1698e4065b415c07029353776b1f4
Download URL:

https://rosap.ntl.bts.gov/view/dot/65586/dot_65586_DS1.pdf
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No Additional Files

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High-tension Cable Median Barrier Safety Effectiveness Evaluation

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