Safety performance evaluation of the non-blocked Midwest Guardrail System (MGS).

Schrum, Kevin D.; Lechtenberg, Karla A.; Bielenberg, Robert W.; Rosenbaugh, Scott K.; Faller, Ronald K.; Reid, John D.; Sicking, Dean L.; Midwest Roadside Safety Facility

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Safety performance evaluation of the non-blocked Midwest Guardrail System (MGS).

2013-01-01
By Schrum, Kevin D. ; Lechtenberg, Karla A. ; Bielenberg, Robert W. ; ...

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English

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Creators:

Schrum, Kevin D. ; Lechtenberg, Karla A. ; Bielenberg, Robert W. ; Rosenbaugh, Scott K. ; Faller, Ronald K. ; ... More +

Schrum, Kevin D. ; Lechtenberg, Karla A. ; Bielenberg, Robert W. ; Rosenbaugh, Scott K. ; Faller, Ronald K. ; Reid, John D. ; Sicking, Dean L. Less -
Corporate Creators:

Midwest Roadside Safety Facility
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Beams Guardrails Highway Safety Impact Tests Performance Tests
Publication/ Report Number:

TRP-03-262-12
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Midwest States Regional Pooled Fund Program
Abstract:

The roadway width required to install a guardrail system with a 12-in. (305-mm) blockout is not always available. In

response, proprietary non-blocked W-beam guardrail systems were developed and successfully crash tested. However, the

use of proprietary systems requires the State Departments of Transportation to maintain inventory of specialized

components. Therefore, a non-proprietary, non-blocked W-beam guardrail system was developed.

The Midwest Guardrail System (MGS), with a 31-in. (787-mm) nominal top rail height, was chosen for modification

due to its exceptional redirective capacity. For this research, the 12-in. (305-mm) blockout was removed, and a 12-in. (305-

mm) long section of 12-gauge (2.66-mm) W-beam guardrail was utilized as a backup plate at rail-to-post connections. This

design was successfully tested using a small car (test no. 3-10) and a pickup truck (test no. 3-11) according to the testing

standards established in the Manual for Assessing Safety Hardware (MASH). As a result, the non-blocked MGS was

recommended for use when roadway width was a limiting parameter. If width is not restricted, it is still recommended to

use a 12-in. (305-mm) blockout as designated in the design drawings of the standard MGS.
Format:

PDF
Funding:

TPF-5(193) Supplemental #33
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:cd66fff31a651d7c084bd63d4d20ed8caf0d9130be6c0e0cc5f0ba723c2a53eb
Download URL:

https://rosap.ntl.bts.gov/view/dot/27828/dot_27828_DS1.pdf
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Safety performance evaluation of the non-blocked Midwest Guardrail System (MGS).

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