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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The definition of the five-minute walking radius neighborhood is part of the American Institute of Architects Architectural Graphics Standards which is an industry standard for dimensional criteria for buildings and site planning.

In the early 1990's, the firm of Duany Plater-Zyberk reproduced the Clarence Perry diagram to demonstrate how the diagram is still effective in planning today.