On the other hand, humans also have the common sense not to (e.g.) follow the tracks of a car that has spun off the road. I'd expect logic at that level might

On the other hand, humans also have the common sense not to (e.g.) follow the tracks of a car that has spun off the road. I'd expect logic at that level might be more difficult to train for than the relatively low-level visual task of identifying and following tracks. But I guess existing self-driving systems already need to work at that level to predict the actions of other cars and pedestrians, so presumably the current data-driven training techniques would also handle it OK? (Assuming a lack of pranksters with shovels...)