Skid-Mounted Dual Wood Post Temporary Sign Support System

Report Number(s): 0-6946-R2

Description: This test installation consisted of a 48-inch square × ⅛-inch thick aluminum sign panel secured to a nominal 4×4 wood supports with 4 bolts. The panel had rounded corners and was placed in a diamond orientation, with the lower corner at 84 inches above grade. The wood frame consisted of nominal 4×4, 2×6, and 2×4 lumber and assorted hardware. All lumber was treated southern yellow pine. All hex bolts were grade 5, and each had two USS flat washers, one lock washer, and one hex nut. Each lag screw had a USS flat washer under the head. The installation was placed on an existing concrete apron but was not secured to it. The skid-mounted dual wood post temporary sign support system was placed with the sign panel at 90° parallel to the vehicle path.

Test Level: 3

MASH Test Number: 3-72

Proprietary/Non-proprietary: Non-proprietary

Pass/Fail: Pass

Evaluation: Full-Scale Crash Testing

Sponsor: Texas Department of Transportation