Yes, but that's like saying the sky is the limit. Also, we are presuming that this will always be a one-sided affair, and that self-driving cars will always ha

Yes, but that's like saying the sky is the limit. Also, we are presuming that this will always be a one-sided affair, and that self-driving cars will always have to adapt to roads and not vice versa. I'm almost certain that once self driving cars become a thing somewhere, they will be so desired by everyone else that people will become willing to clean up messy infrastructure elsewhere that would otherwise preclude their deployment.