this post was submitted on 27 Jun 2026
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you could also maybe make the cars scan street signs to tell their current location? these street signs largely already exist as human drivers have to read them too.
Character recognition takes a LOT more processing power than reading an RFID tag.
hence the QR code suggestion, it also wouldn't depend on rfid tags embedded in the road surface that would get worn and damaged and needs replacement way more frequently than a sign with a QR code.