And while most signs are pretty basic: Stop, yield, pedestrian crossing, every once in awhile we come across a funny road sign. From the electronic road signs the New Jersey Department of ...

The Federal Highway Administration updated its manual for traffic officials, which reins it but doesn’t kill entirely the funny scrolling ... the changeable message signs. The Dayton Daily ...

Those silly, creative signs you've grown used to seeing on highways ... users Give adequate time for proper response The quirky, funny messages did not meet the criteria of conveying a clear ...

In fact, it’s become something of a tradition for state departments of transportation to use their changeable message signs (CMS) to transmit funny, punny, and pop culture–themed alerts.