I just guessing at this, and I hope others have lots of ideas, but after watching a zillion Ceasar Milan episodes, I think you need to take him to the side of the road and let him watch the traffic that goes by until he settles down. When he calms down reward him. Commands like "leave it" also works with traffic, squirrels and all kinds of things.
Fortunately, Ruger chases things but ignores cars. |