Shapefile of current Central Business Improvement District (CBID) and Gulch Business Improvement District (GBID) boundaries for Nashville/Davidson County. Mission of the CBID is to undertake and provide an enhanced level of programs and services not provided by the Metropolitan Government which will help maintain downtown Nashville as a clean, safe and vibrant place to work, live, shop and play. The Gulch Business Improvement District provides Clean and Safe services, landscaping, marketing and holiday decorations for The Gulch.