The arrangements, character, width, and location of all arterial and collector thoroughfares or extensions thereof shall conform with the adopted Municipality of Brookville Comprehensive Development Plan. Lack of a Comprehensive Development Plan or thoroughfares not contained in the aforementioned plan shall conform to the recommendation of the Planning Commission, based upon the design standards set forth in this section and the Municipality of Brookville Design Criteria and Construction Standards and Drawings. In addition, no final plat shall be approved if in conflict with an existing Zoning Code.