If a driverless car goes wrong, it's very unlikely to kill more than a double-handful of people. A 5000-ton freight train capable of barreling along at 100km/h

If a driverless car goes wrong, it's very unlikely to kill more than a double-handful of people. A 5000-ton freight train capable of barreling along at 100km/h while carrying 50 tanks of propane or anhydrous ammonia or similar is an entirely different risk case ...