(Mods: You can delete this thread. Unless you like threads full of people saying there's already a thread.)
Quote from: hubcity on June 04, 2015, 08:20:57 PM
(The video was posted in 2012 - did I miss that thread?)
You sure did:
https://www.aaroads.com/forum/index.php?topic=7488.0
A wind storm made this gantry "dance" a bit. The signs are located in Calgary AB.
It's also been in countless posts regarding wind-loading and monotube structures.