Determination of Length-of-Need for Guardrail without Anchorage

Report Number(s): 614721

Description: 125 ft - 9.5 inch long W-beam guardrail system with a length-of-need of 75 ft. It was anchored on the upstream end by a SoftStop end terminal. The 2nd crash test was the same as the first with the exception that a rectangular plate washer was assed and attached in the front of the guardrail posts 19 & 20.

Test Level: 3

MASH Test Number: 3-11

Proprietary/Non-proprietary: Non-proprietary

Pass/Fail: Fail

Evaluation: Testing + Engineering Analysis

Sponsor: Roadside Safety Pooled Fund

Test Article Description

Height: 31"

Rail Type: W-Beam

Rail Thickness: n/a

Post Type: 72" Wide Flange Guardrail Post

Material: Steel

Post Spacing: 75"

Blockout Type: Wood

Aesthetic: No

Special Configuration: none

Report(s):

Final Report