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circuity, the ratio of the distance by road to the straight-line distance of two locations on the street networkĪ higher SNDi means less-connected streets – i.e., more sprawl.

dendricity, the tree-likeness of the street network.

The SNDi is a comprehensive measurement of “sprawl”. SNDi - our measure of street-network sprawl (disconnectedness) We can quantify how connected street networks are with the Street Networkĭisconnectedness Index (SNDi). Sustainable consumption, social integration, and equity. Street network is associated with better outcomes for health, the environment, With more connected streets, residents drive less and walk more. The street network is permanent, and its connectivity affects the livabilityĪnd environmental footprint of cities for decades and centuries to come. Well-connected streets – like New York City’s grid – are more walkable Less sprawl means more connected, more walkable

Street-network Sprawl is a way to measure urban sprawl, worldwide, through