I can't help it, when I'm driving, I notice stuff, and when I can't figure out what I'm looking at, I get upset.

I remember as a child asking my mother what "PED XING" meant, obviously "PED" means pedestrian and "X" means "crossing", but I didn't know it at the time!

But, Have You Ever Seen Signs That Look Like This Before?

I mean, whoever designed these signs obviously is trying to be discreet about something. Sort of like, if you know, you know.

So, Why Would Someone Display A Sign In Public, But Not Make It For Public Knowledge?

Film crews! Movie making!

Yes, although seeing Ben Affleck or Robert DeNiro is amazing for most people, I don't think it's best to let EVERYBODY know exactly where they are or, at the very least, where they are filming.

So, secret codes and words on funky signs is the standard way to let only the important people know where the action is.

The now-standard look of this 18-by-24-inch yellow sign evolved to help industry workers get to filming locations, with titles simultaneously intended to mislead anyone not in the know. -99percentinvisible.org

I remember seeing those signs in my hometown of Lynn circa 2009 when Ben Affleck was filming "The Company Men".

They're not ALWAYS mysterious, however, when the Alec Baldwin "Rust" shooting death story came out, the sign literally said, "RUST" on a black and yellow background.