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Signs

Question
State WI
Description Text

I have been asked to review some more signs for crashworthiness.  Please review the attached signs and provide comments.


Keywords
  • Mailbox, Sign, Utility, & Luminaire Supports
Other Keywords none
Date January 4, 2016
Attachment P5060314.jpg
Attachment SMOKEY (NEW) 02072013.pdf
Attachment Smokey Installation Instuctions and Parts 2013.pdf
Attachment 20151027 003.jpg


Response
Response

There are some design variations between the photos shown. It does not appear that there are breakaway holes or another breakaway mechanism in the posts in any of the designs. With a variety of signs and mounting heights, as well as multiple vertical wood posts and sometimes horizontal wood beams, it is unknown how the system will fracture and deform upon impact. Sign systems can be sensitive to minor design changes that may present a problem for windshield and occupant compartment deformation and penetration, depending on the how the system fractures upon impact. At this time, we would recommend crash testing to evaluate crashworthiness of this sign.  

Date January 11, 2016


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