Yes it's comfortable, but super space inefficient - 18 feet of road space times a lane for one human. By all means cars are great, until our devotion to them m

Yes it's comfortable, but super space inefficient - 18 feet of road space times a lane for one human. By all means cars are great, until our devotion to them makes us build 12 lane freeways rather than civilized mass transit. Nothing screams civilized country like high speed and efficient trains.