Cable median barrier failure analysis and prevention.

Stolle, Cody S.; Sicking, Dean L.; Midwest Roadside Safety Facility

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Cable median barrier failure analysis and prevention.

2012-12-01
By Stolle, Cody S. ; Sicking, Dean L.

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English

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Details:

Creators:

Stolle, Cody S. ; Sicking, Dean L.

Stolle, Cody S. ; Sicking, Dean L. Less -
Corporate Creators:

Midwest Roadside Safety Facility
Corporate Contributors:

United States. Federal Highway Administration ; United States. Dept. of Transportation. Research and Innovative Technology Administration

United States. Federal Highway Administration ; United States. Dept. of Transportation. Research and Innovative Technology Administration Less -
Subject/TRT Terms:

[+]

Accident Analysis Cables Highway Safety Impact Tests Median Barriers Medians Traffic Accidents
Publication/ Report Number:

TRP-03-275-12
Resource Type:

Tech Report
Geographical Coverage:

Nebraska
Corporate Publisher:

Mid-America Transportation Center ; Midwest States Regional Pooled Fund Program

Mid-America Transportation Center ; Midwest States Regional Pooled Fund Program Less -
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Design;NTL-SAFETY AND SECURITY-Accidents;NTL-SAFETY AND SECURITY-Highway Safety;
Abstract:

Cross-median crashes have been identified as one of the highest injury or fatality risk crash types. Although crossmedian

crashes account for only 2% to 5% of all median crash events, they are disproportionately represented in the number

and frequency of fatalities on interstate roadways. Many states have utilized cable median barriers to reduce the risk of

cross-median crashes, frequently with great success.

However, cable median barriers are also fixed obstacles to errant vehicles. Cable median barriers can place

occupants at increased risk of severe injury or fatality if the barrier fails to adequately contain and redirect errant vehicles,

resulting in a vehicular penetration through the barrier or rollover. As total cable median barrier mileage continues to climb,

there is an opportunity to prevent many penetration, rollover, and serious injury or fatality crashes by improving barrier

design, installation guidelines, and crash-testing guidelines to more adequately address crash concerns with these barrier

types. More than 6,000 cable median barrier crashes from 12 different states were analyzed to determine causes of barrier

containment failures, and new crash test conditions which were reflective of these impact conditions were identified.

Further crash testing and barrier redesign should reduce the frequency of barrier penetrations and rollovers.
Format:

PDF
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:d3c11c649cdf4cca01a0cc3672babd2c291283f50419047696bc7c22c33c4f96
Download URL:

https://rosap.ntl.bts.gov/view/dot/25828/dot_25828_DS1.pdf
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Cable median barrier failure analysis and prevention.

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