It could be the end of the road for some of those funny, punny one-liners that states have been putting on electronic freeway signs. The Federal Highway Administration has new rules about those displays.
Over the years, the agency has flagged signs that could be confusing. Now, in rules issued last month, it gives states two years to phase out signs that have "obscure" meanings or use pop-culture references that could require drivers "greater time to process." In a statement, the agency said safety is the priority and states "are expected to exercise good judgment."
