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
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"