7 C.F.R. § 1924.115
(b) Site access. Each site must be contiguous to and have direct access from:
(3) A hard surfaced street in a condominium or townhouse complex which:
(c) Exceptions to street requirements. A site not meeting the conditions in paragraph (b) of this section will be acceptable if:
(d) Site layout.
(e) Covenants, conditions and restrictions. Sites in subdivisions shall be protected by covenants, conditions, and restrictions (CC&Rs) to preserve the character, value, and amenities of the residential community and to avoid or mitigate potential environmental impacts unless, an exception is granted by RHS after considering the suitability of local ordinances, zoning, and other land use controls.