CARS - Volvo explores road-integrated magnets for autonomous cars

(Phys.org) —Volvo has been testing the efficacy of magnets to keep self-driving cars moving safely on the road. The idea is for magnets to help the cars identify where they need to be in lanes. The Volvo Car Group tested how well the road magnets in the roadway can actually support accurate positioning. Project leaders described the magnets as serving up an invisible railway for position accuracy. By detecting the magnets a car can constantly adj ...

http://phys.org/news/2014-03-volvo-explores-road-integrated-magnets-au