This could be an argument for investing in more reliable/higher capacity public transit systems though. Which would also likely result in a fair increase in public health from moving a bit more and possibly less polluted air going in an out of the lungs of the populace.

> This could be an argument for investing in more reliable/higher capacity public transit systems though.

Public transit is impractical outside of big urban centers. And even there, it's nearly always a nasty experience. This is why people who can afford it still drive or use taxis in cities.