I'm just asking ???

Just a quick post with a couple questions I've had lately.

Here is a couple pictures i just couldn't figure out after my trip to North Carolina.

Rumble strips for Airplanes Maybe ????

After all it was near an airport !

I know I have a history of problems with GPS units...however...

I know for a fact that I never crossed an ocean ... so whats with the zebra colored Mountians ?