"I've never had to put up with this in the past," said Duane Kassens, a driver from Indiana who was involved in an accident attributed to a snow-clogged traffic light. "The police officer told me ...

The turquoise lights will be used to inform other road users when the vehicle is operating in autonomous driving mode.

A new system of flashing red lights is aimed at helping hearing impaired drivers differentiate between police cars on patrol and those rushing to emergencies. The move is in response to a ...