“Well, the city, as a, created partly by the railway—as a railhead—the city has undergone strange transformations with the motorcar at one hand and the airplane on the other hand. The tendency of the motorcar is to extend the city as a ribbon development right across vast territories, so that between here and Boston is like one city, between here and Washington is a city. And, on the other hand, the airplane sort of leapfrogs over those phases and wipes out roads, wipes out the big city.”