Easier said than done. What happens when the power goes out to the city's system? Can we trust the city to keep traffic info up-to-date? What happens when there's too much interference? When you're in a tunnel with the roads broadcasting above you?
Self-driving cars are the future, but these solutions that seem simple will still need a lot of work.
Memristor RFID chips. The cars have to be powered to move -- so you get the cars to ping road-embedded sensors, which then respond with the latest value they've been programmed with. They could get get programmed either over the 'net, or by a maintenance truck passing by and pinging them with a cryptographically signed message.
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Easier said than done. What happens when the power goes out to the city's system? Can we trust the city to keep traffic info up-to-date? What happens when there's too much interference? When you're in a tunnel with the roads broadcasting above you?
Self-driving cars are the future, but these solutions that seem simple will still need a lot of work.
Memristor RFID chips. The cars have to be powered to move -- so you get the cars to ping road-embedded sensors, which then respond with the latest value they've been programmed with. They could get get programmed either over the 'net, or by a maintenance truck passing by and pinging them with a cryptographically signed message.