Ask a state trooper: Can unmarked police cars make traffic stops?
![Ask a state trooper: Can unmarked police cars make traffic stops?](https://bloximages.chicago2.vip.townnews.com/lacrossetribune.com/content/tncms/assets/v3/editorial/5/4f/54f98e21-f135-571c-88c6-88f7d9002436/59ce5b43e35b3.image.jpg?resize=300%2C218)
Question: Is it legal for local police or state patrol to make regular traffic stops with an unmarked vehicle (no markings at all) or does the vehicle have to be a certain color or have some kind of markings?