States love to crack jokes or reference songs in highway safety signs, but the federal government isn't laughing. New sign rules take effect Thursday.

CLEVER HIGHWAY MESSAGE BOARDS ON IOWA INTERSTATE. YEAH, THE NATIONAL DEPARTMENT OF TRANSPORTATION WANTS TO PUT A STOP TO THOSE SIGNS. KCCI’S PEPPER PURPURA IS HERE TONIGHT. PEPPER. THE IOWA DOT IS ...

Driving in traffic on Wisconsin's highways can be a pain, but at least sometimes, if you look up slightly, you can find a little humor in it. For about the past decade, overhead signs on Wisconsin's ...

The transportation agency is posting safety reminders via its electronic signs, but the future of the campaign is up in the air. Many of the driver safety messages produced by the New Jersey ...

The Arizona Department of Transportation sought the public's help writing creative traffic messages for use on electronic highway signs that guided drivers statewide. ADOT will accept the unique ...

PHOENIX — The Arizona Department of Transportation is inviting Arizonans to put their creativity skills to the test by participating in its annual Safety Message Contest. ADOT opened submissions ...

PHOENIX (AZFamily) — If you know Valley highways, there’s a good chance you know the Arizona Department of Transportation’s iconic safety messages. Those signs often include humor to grab your ...

The Arizona Department of Transportation (ADOT) has launched its annual safety message contest, asking the public to submit slogans to be featured on electronic highway signs. The winning slogans will ...

PHOENIX (AZFamily) — If you’ve driven down a Valley highway and seen one of the Arizona Department of Transportation’s iconic safety messages and wanted to write one yourself, here’s your chance. For ...