[Failed] G4(2W) W-Beam Guardrail
Report Number(s): NCHRP Project 22-14(03)
Description: Failed 27-5/8 inches tall G4(2W) W-beam guardrail system
Test Level: 3
MASH Test Number: 3-11
Proprietary/Non-proprietary: Non-proprietary
Pass/Fail: Fail
Evaluation: Full-Scale Crash Testing
Sponsor: National Cooperative Highway Research Program
Test Article Description
Height: 27.625"
Rail Type: W-Beam
Rail Thickness: 12-Gauge
Post Type: Timber
Material: Wood
Post Total Length: 72"
Post Spacing: 6' 3"
Blockout Type: Wood
Blockout Depth: 8"
Aesthetic: No
Application: Other
Special Configuration: None
Report(s):
NCHRP Project 22-14(03) (NCHRP 157 Web version):
http://www.trb.org/Publications/Blurbs/163968.aspx
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