Local News Hacked Road Signs November 13, 2012 / 12:26 PM PST / CBS News (credit: CBS Denver) Pranksters also tried to "warn" drivers in Denver. (credit: CBS Denver) I'm not sure this sign had drivers in Massachusetts turning around. (credit: CBS Boston) Sorry, Mario. (credit: CBS) Good thing you didn't pick the banana air freshener. (credit: Josh Carroll)