In the 50s and 60s, the population was smaller. Towns/cities were smaller and not as developed as now. It would have be so much easier to build that infrastructure than it would be today. As it is now, to add rail cities are having to lose some streets to replace with rail or have some mixed use rail/car type of use. It makes no sense to compare today to the 50s/60s
We plowed through anything in the way, as is necessary to build roads, including vast amounts of white neighborhoods and farmland. But nonetheless, the idea of a black or hispanic or white neighborhood is increasingly antiquated.
