Yes I understand that. From my comment: > __Some may be__, but "accident" implies that there's no fault. Those things do happen. For example, I recently saw a

Yes I understand that. From my comment: > __Some may be__, but "accident" implies that there's no fault. Those things do happen. For example, I recently saw a video where a big rig carrying cement crashed into a line of cars due to brake failure. But those are, I would guess, a small percentage of total collisions.