Buckle up before you leaf.'īut now, a Virginia Department of Transportation study is touting scientific evidence that the messages are memorable and effective. You may get a chuckle from some of the digital message boards above Virginia's interstates, with slogans like, ' Driving fast and furious? That's Ludacris' or ' Speeding leads to the dark side' and 'It's fall, y'all. A variable message sign from 2020 tells sports fans not to drink and drive.
