Chapter 17-7-12.1 REGIONAL COMMERCIAL RESIDENTIAL OVERLAY This chapter is included in your selections. Sections: 17-7-12.1.1 Purpose. 17-7-12.1.2 Use table. 17-7-12.1.3 Medium and high density residential and mixed-use development standards. 17-7-12.1.4 Site design requirements. 17-7-12.1.5 Parking and access. 17-7-12.1.6 Architectural standards. 17-7-12.1.7 Utilities. 17-7-12.1.9 Signage.