For an outsider like myself, that seems obvious.
I think a great example of this is that driving kids to school is the norm now.
Yea, it “saves money”. For the school district; parents now have to spend gas to sit in traffic. I guess 40 cars is more efficient than one diesel electric bus, if you’re a penny pinching administrator.
I mean, Japanese kids walk/bike/metro to school, I think it's free for the school districts
Let's do it the Japanese way. Kids should pass an exam to get into a good high school, and spend an hour on several trains.