A traffic collision is not evidence of inebriation, though, since people get in collisions when not inebriated. I'm talking about someone following them that sa

A traffic collision is not evidence of inebriation, though, since people get in collisions when not inebriated. I'm talking about someone following them that saw them weaving, not holding a phone, perhaps nodding asleep, or maybe even someone saw them smoking a joint, then a just-lit joint was found at the scene.