And when we were in high school in the ‘50s, the “futurists” predicted we’d all get around by personal back-pack aircraft by the year 2000. Instead, we sit in traffic jams all over America.
The only thing that is predictable is that the future is unpredictable.
Strange as it sounds, self-drivable cars would eliminate most of the traffic jams. An interstate with no rubberneckers, accidents and slow drivers would be an efficient one. And we have the technology now.