Midwest Guardrail System placed adjacent to 2:1 Fill Slope

Report Number(s): TRP-03-185-10

Description: The new design of this stiffened version of the MGS incorporates 2,743 millimeters (9 feet) long posts on a 1,905 millimeters (75 inches) spacing. With the top of the W-beam mounted at a height of 787 millimeters (31 inches), this stiffened MGS guardrail design with full post spacing is acceptable for use on the NHS. This new guardrail design will provide a safe and economical alternative for use along highways with steep slopes very close to the roadway.

Test Level: 3

Eligibility Letter: B-211

MASH Test Number: 3-10, 3-11

Proprietary/Non-proprietary: Non-proprietary

Pass/Fail: Pass

Evaluation: Testing + Engineering Analysis

Sponsor: Midwest Roadside Safety Facility

Test Article Description

Height: 31""

Rail Type: W-Beam

Rail Thickness: 12-Gauge

Post Type: Mixture: Galvanized ASTM A36 & timber

Material: Steel

Post Total Length: 175'"

Post Spacing: 75"

Blockout Type: Wood

Aesthetic: No

Special Configuration: Slope


Eligibility Letter: B-211

MwRSF Report No. TRP-03-185-10