Other states have used humorous safety messages, including Arizona using Star Wars related puns to encourage seat belt use in 2016. Our journalism needs your support. Please subscribe today to NJ.com.

This is the first time the signs are being used in Pierce County. They are part of a campaign that encourages safe and focused driving. Last year about 500 people were seriously injured or killed ...

In southeast Kansas, KDOT has put the safety corridor signs up along U.S. Highway 69, from the north side of Frontenac, south through Pittsburg, and south to the Crawford/Cherokee county line.

These are just a few entertaining, witty U.S. Department of Transportation electronic safety signs motorist catch sight of driving across the nation's interstates. But not much longer.

If a driver is not wearing a seat belt, the signs will show a message such as “BUCKLE UP.” If a driver is on their phone, the signs will say something such as “PHONE DOWN.” ...

If a driver is not wearing a seat belt, the signs will show a message such as “BUCKLE UP.” If a driver is on their phone, the signs will say something such as “PHONE DOWN.” ...