That's a single point of failure. The centralized system goes down and your whole country's transportation system is dead. Politicians may want that but it's an extraordinarily bad idea and it's possible that there are enough people who understand that in e.g. the military with the political influence to prevent it.
It also kind of defeats the entire concept of self-driving cars, which is that they can work without that. They have to be able to work in places with bad wireless reception or a power outage in the traffic control system, not only because of the single point of failure but because things like that could happen while the vehicle is in motion.
Meanwhile there is no legitimate reason to make them mandatory because people already have the incentive to use a system that provides quicker routes. There is no law requiring people to use Waze, but they do.
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That's a single point of failure. The centralized system goes down and your whole country's transportation system is dead. Politicians may want that but it's an extraordinarily bad idea and it's possible that there are enough people who understand that in e.g. the military with the political influence to prevent it.
It also kind of defeats the entire concept of self-driving cars, which is that they can work without that. They have to be able to work in places with bad wireless reception or a power outage in the traffic control system, not only because of the single point of failure but because things like that could happen while the vehicle is in motion.
Meanwhile there is no legitimate reason to make them mandatory because people already have the incentive to use a system that provides quicker routes. There is no law requiring people to use Waze, but they do.