Performance Evaluation of Missouri DOT Dual-Post, U-Channel Sign Support According to MASH 2016

Report Number(s): TRP-03-426-20

Description: The objective of this research was to evaluate the dual-post, U-channel sign support system according to the MASH Test Level 3 evaluation criteria. Each post utilized a two-part assembly with a 3.0 lb/ft (4.5 kg/m) U-channel sign support and 3.0 lb/ft (4.5 kg/m) U-channel embedment stub attached by means of a lap splice. This sign support system was configured with two sign panels (48X48 and 24X24).

Test Level: 3

MASH Test Number: 3-60, 3-61, 3-62

Proprietary/Non-proprietary: Non-proprietary

Pass/Fail: Pass

Evaluation: Full-Scale Crash Testing

Sponsor: Missouri Department of Transportation

Test Article Description

Mounting Height: 84.5"

Base Type: Frangible/Yielding

Number of Legs: 2

Support Type: U-channel

Support Size: NA

Support Material: Steel

Sign Material: Aluminum

Sign Size: 48" x 48"