As high prices and growing populations have constrained housing supplies in the city centers, people have been pushed further and further out into the suburbs, where they begin to lean more heavily on cars. But traffic congestion, exacerbated by the proliferation of ride-sharing services like Uber, has transformed roads into a mess of gridlock. By building complete communities on the sprawling asphalt parking lots around regional transit hubs, you can de-incentivize private car use while making commutes to the city more accessible.