Transit Is a Social Justice Issue

mass transit is a social justice issue. NYT:
In a large, continuing study of upward mobility based at Harvard, commuting time has emerged as the single strongest factor in the odds of escaping poverty. The longer an average commute in a given county, the worse the chances of low-income families there moving up the ladder. The relationship between transportation and social mobility is stronger than that between mobility and several other factors, like crime, elementary-school test scores or the p