As long as they both share the same road and drive in the same traffic it doesn't make sense as to how can one be a harder problem than the other. In fact I ne

As long as they both share the same road and drive in the same traffic it doesn't make sense as to how can one be a harder problem than the other. In fact I never want a driverless 80,000lb 18 wheeler anywhere near me when I'm driving. A 5000lb driverless car is scary enough.