Volvo says magnets have great potential for autonomous vehicles since established positioning technologies like GPS and cameras have limitations in certain conditions. Road-integrated magnets remain unaffected by physical obstacles and poor weather conditions. Just don't drop your credit card.
Sweden is working hard to be the world leader in autonomous technologies. They have been experimenting with road trains for a while and will have a fleet of a hundred self-driving cars on the streets of Gothenburg in less than three years.