Greater Greater Washington

Washington D.C. transit officials are planning to allow retail vendors to set up shop in some of the city's train stations. Proponents say the move could aid security by putting more "eyes" on the system.

Diversity is important to neighborhood commercial areas, but getting the right balance of retail and restaurants without disincentivizing the former is not so simple.

As money-poor mega-developments become less feasible to construct, builders may soon have to revert to developing at a smaller scale--a strategy that makes still more sense economically.

One blogger makes the case for walkable urbanism, in the context of the social and physical well-being of adolescents specifically.