Prime Franklin Square property. MX- 4 Urban Core Zoning: The MX-4 district is established to provide for pedestrian-friendly, transit-supportive areas of higher density residential development and a well-integrated mix of nonresidential uses. This district is intended to promote an active streetscape and accommodate larger-scale commercial and retail uses, and is appropriate in larger nodes and primary corridors. Development shall encourage the creation of areas that provide for the needs of nearby residents and serve as destinations for the City at-large.