===Washington, DC===
2003 Data data of District Revitalization Areas: http://opendata.dc.gov/datasets/district-revitalization-areas
2004 Data data of Economic Development Zones: http://opendata.dc.gov/datasets/economic-development-zones
===Chicago, IL===
2014 Data data of Special Service Areas: https://data.cityofchicago.org/Community-Economic-Development/Boundaries-Special-Service-Areas-deprecated-Octobe/x9du-wfiv
===Portland, OR===
2017 Data data of Storefront Improvement Areas: http://gis-pdx.opendata.arcgis.com/datasets/storefront-improvement-areas
===Oakland, CA===