hacked digital road signRoad signs are pretty boring, albeit important. They tell us where to go, what to do and what we should avoid on the road. Road signs don't usually make us laugh -- until people figured out that they could be altered in a number of ways.

Pasting a sign over another sign is a simple idea, but hacking into the digital road signs that warn us about traffic delays and road hazards is a whole new level of dedication to mishievous shenanigans.

Here are 19 of the funniest hacked digital road signs.

"You'll Never Get to Work on Time, Haha!!"
"Take Your SUV Back to Detroit"
"Trapped in Sign Factory"
"Sorry Mario -- The Princess Is in Another Castle"
"This Sign Has Been Hacked"
"Drive Drunk"
"Prepare to Be Annoyed"
Zombies are a favorite for these sign-hackers.
"Nobody Has Ever Loved You"
"Extreme Fire Hazard -- Don't Even Fart in the Forest"
"OMG The British Are Coming"
"Raptors Ahead, Caution"
"New York Is Dying"
"There May Be Trouble Ahead"
"Party At Julia's 2nite"
"Klaatu Barada Nikto"
"UFO Crossing Ahead"
hacked road sign