A large portable electronic message board was attached to a support structure and connected to a series of pinned-down temporary construction barrier.
- TTI Report Number – 690902 – PCL1-3
- MASH Testing of Branching Transition Barrier and Barrier Mounted Sign
- FHWA Letter – B-281
This configuration was crash tested to MASH Test Level 3. The pinned-down barrier was crash tested according to MASH Test Level 3 criteria via a MASH 3-11 impact with a 2270P pickup truck.
There was no interaction between the test vehicle and the sign support structure or the electronic message board. The message board stayed intact during the impact and remained attached to the mast of the structure.
MASH Test 3-11:
A 2,270kg pickup truck impacting the Critical Impact Point (CIP) and Length of Need (LON) of the barrier at a nominal speed and angle of 100km/hr and 25 degrees, respectively. This test investigates a barrier’s ability to successfully contain and redirect light trucks and sport utility vehicles.