Self-driving trucks are about controlling the roads — not making them safer

Americans have become strangely accustomed to driverless cars. In cities like San Francisco and Austin, people casually summon Waymo robo-taxis the way they once called Uber.Now imagine the same technology attached to an 80,000-pound tractor-trailer moving at highway speed.My fellow truckers already know the problem. Modern collision-avoidance systems have been triggered by shadows, weather conditions, lighting changes, and animals.It’s happening; large carriers are already purchasing hundreds o...