The Federal Highway Administration announced new guidelines for Changeable Message Signs a few weeks ago. Those are the message boards on the side of the highway that display things like, "Visiting in-laws? Slow down, get there late." The new guidelines strongly discourage states’ departments of transportation from using “punny” messages on signs.

To discuss the story, Dr. Tripp Shealy, a civil and environmental engineering professor at Virginia Tech, and the lead author of a report commissioned by the Virginia Department of Transportation titled “Driver Response to Dynamic Message Sign Safety Campaign Messages," joined host Mike Rogers on this week's Something Offbeat.