History of the Strategic Regional Policy Plan

History of the Strategic Regional Policy Plan      
Overview of the Orientation Series        
 Neighborhood Scale        
Neighborhood Center and Edge        
Streets, Blocks, and Alleys: Achieving a Network of Walkable Streets        
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Neighborhood size has been defined throughout planning history. This graphic created by Clarence Perry is entitled "Neighborhood Unit of the 1920 New York Regional Plan". Clarence Perry defines the neighborhood as a component of a town and defines its size based upon a five-minute walking radius. The radius is measured from the center, and the center holds the cultural uses such as a school. A five-minute walking distance is approximately 160 acres. Clarence Stein expanded the definition of neighborhood center in 1942 by connecting the neighborhoods together to create towns. In the 1920's and 1940's, the centers and anchors of neighborhoods were the schools. More recently, the quarter-mile walking radius has been expanded to a half mile with the addition of a transit hub. Traditional neighborhood size works well in the town, village, and urban city scales.