Actually, the first automated in-car navigation systems used mechanical couplings to a wheel to determine progress along a set route: https://arstechnica.com/ca

Actually, the first automated in-car navigation systems used mechanical couplings to a wheel to determine progress along a set route: https://arstechnica.com/cars/2020/01/turn-by-turntables-how-drivers-got-from-point-a-to-point-b-in-the-early-1900s/ https://arstechnica.com/cars/2020/01/turn-by-turntables-how-...