The arrangement, character, extent, width, grade and location of all streets shall conform to the Master Plan, or such portions thereof as have been promulgated, and to Chapter 1022 et seq. of the Streets, Utilities and Public Services Code and shall be considered in their relation to existing and planned streets, to topographical conditions, to public convenience and safety, and to the proposed uses of the land to be served by such streets. Where not shown on the Official Map, the Master Plan or such portions thereof as have been promulgated, the arrangement and other design standards of streets shall conform to the provisions of this chapter.