To me it just looks like a made up sign at some random entrance. May not even be in WDW, may not even be in Florida.
What is the tall structure behind them at :38*? The video is too washed to out to make it out. If its a building it should be easy to identify since there are very few tall thin structures at WDW.
I would say since a car pulls up that if its on WDW property, its at a resort and based upon the little bit I have seen in pics the color scheme looks like CBR but that's a pure guess since I have never been there.
*ETA: I found the you tube video that you linked to. I was hoping that it was you that took the video and could identify it better.