The Traditional Neighborhood development and design standards contained in this section shall be applied only within the Planned Development (PD) and the Mixed Use Center Overlay districts, providing an alternative to conventional development standards otherwise provided for in this Ordinance. All provisions of this Ordinance shall apply to developments designed according to the traditional neighborhood model, except as specifically provided for in this section. When, in reviewing proposed traditional neighborhood developments, the standards of this section may differ or be less restrictive than other standards of the Development Ordinance, the standards of this section shall apply.