It goes without saying that anyone can become drowsy while driving. Even if you were alert when you left home, you never know what will happen as you make your way down the road.
As a pedestrian, you realize that you may be in close proximity to moving vehicles. This holds true even if you are walking on a sidewalk.
It doesn't matter who you are or where you live, there could come a point in the future when you find yourself injured as the result of another person's negligence.
Taking a holiday road trip can be quite a bit of fun, but only if you make it to and from your destination without incident.