For a traffic stop? Yes. Any violation that a police officer can make contact with you for (which is all of them) is probably cause for a trafffic stop.
Probable cause refers to the standard by which a police officer has the right to make an arrest, conduct a personal or property search, or to obtain a warrant for arrest. It is also used to refer to...
Difficult and expensive to prove lack of probable cause. Probable cause can be anything from suspicious activity in the vehicle to weaving while driving or failure to signal. I am sure you could find...