Depends at the scale you're looking at. How much money is wasted by 30 people driving 30 cars when a bus could take them all? Taking into account car wear, gas,

Depends at the scale you're looking at. How much money is wasted by 30 people driving 30 cars when a bus could take them all? Taking into account car wear, gas, etc. Low density public transport work very well in places where people simply can't afford personal vehicles, it's not a tech logical or financial problem at all, if anything it's cultural and mostly political