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
Evaluation: Testing + Engineering Analysis
Sponsor: Midwest Roadside Safety Facility
Test Article Description
Rail Type: W-Beam
Rail Thickness: 12-Gauge
Post Type: Mixture: Galvanized ASTM A36 & timber
Post Total Length: 175'"
Post Spacing: 75"
Blockout Type: Wood
Special Configuration: Slope