CommunityViz comprises two integrated extensions to ArcGIS, the world’s leading GIS platform. The tool has been applied at the subdivision, precinct and city level. For example, at the precinct level, the New Jersey Transportation Planning Authority (NJTPA) used CommunityViz as a software foundation for developing a small area land use impact tool (SALUIT).20 The tool provides a scenario-based analysis of the transportation, economic, environmental and infrastructure impacts of land-use changes