See The Real Reason For That Funny Parkway Sign [Video]

Remember this funny sign that was spotted on the Garden State Parkway?

We all had a good laugh about it, and a knowledgeable reader explained that the sign is meant to alert dump truck drivers to make sure that the beds of their trucks are in the "down" position before proceeding, due to overpasses.

So, why would a sign like this be needed in the first place? Would a dump truck driver actually forget that the bed was up?

Well, with that being said - watch: