That level of change is rebuilding the entire surburb to be more dense. There isn’t the building capacity to do this to all of them , even if by some miracle you found the money.

You can’t make a bus route work when the area it’s travelling through is so spread out, it has to stop too much and drive for too long and costs more than it can make in fares.

If you want to change America then good luck, but it’ll be your grandchildren that get the benefit should you succeed.