Effectiveness of various safety improvements in reducing crashes on Wyoming roadways.

Coulter, Zebulun; Ksaibati, Khaled; University of Wyoming. Dept. of Civil and Architectural Engineering

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Effectiveness of various safety improvements in reducing crashes on Wyoming roadways.

2013-12-01
By Coulter, Zebulun ; Ksaibati, Khaled

[PDF-1.52 MB]

English

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Creators:

Coulter, Zebulun ; Ksaibati, Khaled

Coulter, Zebulun ; Ksaibati, Khaled Less -
Corporate Creators:

University of Wyoming. Dept. of Civil and Architectural Engineering
Corporate Contributors:

University Transportation Centers Program (U.S.) ; Wyoming. Dept. of Transportation

University Transportation Centers Program (U.S.) ; Wyoming. Dept. of Transportation Less -
Subject/TRT Terms:

[+]

Accident Rates Accident Severity Geometric Design Highway Safety Median Barriers Ran Off Road Accidents Rumble Strips Traffic Accidents
Publication/ Report Number:

MPC 13-262
Resource Type:

Tech Report
Geographical Coverage:

Wyoming
Corporate Publisher:

Mountain Plains Consortium
Abstract:

The high societal cost of roadway crashes nationwide makes improving highway safety an important

objective of transportation agencies. Recognizing this, Safety Management Systems (SMS) have been

required by the Federal Highway Administration (FHWA) to encourage states to pursue and promote

safety and accident investigations. In 2006, the Wyoming Department of Transportation (WYDOT) SMS

Committee organized an effort to reduce the number of fatal and serious injury crashes on Wyoming

roadways. A plan was published in a formal document known as the Wyoming State Highway Safety

Plan (WSHSP). When developing the WSHSP, the WYDOT SMS Committee recognized four main

emphasis areas: roadway departure crashes, use of safety restraints, impaired driving, and speeding.

While each one of the four emphasis areas plays an important role in the overall reduction of fatal and

serious injury crashes statewide, this research focuses primarily on roadway departure crashes. This

research study summarizes the effectiveness of the WSHSP on crash severity statewide. This is done by

analyzing crash severity on geometric conditions statewide, as well as the effectiveness of two types of

safety devices installed on selected roadway sections: shoulder rumble strips and cable median barriers.
Format:

PDF
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:8e17b5692590e82e2d12481855089cd2311e2262eac3aad538fa4d5e0d175548
Download URL:

https://rosap.ntl.bts.gov/view/dot/26894/dot_26894_DS1.pdf
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Effectiveness of various safety improvements in reducing crashes on Wyoming roadways.

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