How many people need to go where, when? In its most basic form, public space needs to move people, efficiently, and simply. No high design can save a space that doesn’t perform the function for the people that need to inhabit it. I would start with learning about how people move, why, and what stops them.
William Whtye – The Social Life of Small Urban Spaces
Lisa Taylor – Urban Open Spaces
Literally anything by Jan Gehl