"The nice area expands" - basically what gentrification is. If public transit opens up travel options for poorer (usually minority) areas, young white people w

"The nice area expands" - basically what gentrification is. If public transit opens up travel options for poorer (usually minority) areas, young white people who can't afford to live in the city will start moving there, bringing their yoga studios and brunch cafes and actual grocery-stores-that-arent-just-an-isle-of-canned-food-in-liquor-stores.