And an autonomous vehicle should drive so that, whichever of those things happens, it will not drive into anything.
This may mean that the car drives rather slowly when the treeline is close to the road, or extremely slowly when the road is slick or foggy. But it can be done.
This may mean that the car drives rather slowly when the treeline is close to the road, or extremely slowly when the road is slick or foggy. But it can be done.