Man, City and the Automobile
In future cities, new types of neighborhoods need to be constructed which will be served but not crossed by automobiles, and where there will be no wasted land but as many green areas as possible. Pollution will be either eliminated or channeled into tunnels. The immediate goal is to recreate the cells of urban life on a human scale, while the ultimate goal is to separate permanently all roads for automobiles and those for people to different levels on the ground.
From High Speed Ground Transportation Journal, v.3, no.1, January 1969, p. 1-13: 9 fig.