(They used a D-Wave system for this work.)
"Volkswagen AG first experimented with a quantum computer about two years ago to see how the cutting-edge computing platform could optimize traffic in urban cities much faster than an ordinary, classical computer.
That research project now has evolved into a quantum computing-based traffic management system that could be offered as a commercial service from Volkswagen, says Martin Hofmann, Volkswagen’s chief information officer."
Read the rest at the Wall Street Journal