Unless an alternative width is approved through use of other procedures in this code, the right-of-way width and paving width of streets and alleys dedicated shall conform to those designated on the adopted Street Right-of-Way map. When a street segment right-of-way width is not designated on the Street Right-of-Way map, the required street width shall be the minimum width shown for its type in Table 9.6870 Right-of-Way and Paving Widths. Based on adopted plans and policies, adopted “Design Standards and Guidelines for Eugene Streets, Sidewalks, Bikeways, and Accessways,” or other factors which, in the judgment of the planning and public works director necessitate a greater street width, a right-of-way width greater than the minimum width shown for its type in Table 9.6870 can be required for applications submitted in accordance with EC 9.8090, 9.8055, 9.8215, 9.8320, 9.8440 or9.8515. The required alley width shall be the width shown for its type in Table 9.6870 Right-of-Way and Paving Width, unless, for applications submitted in accordance with EC 9.8090, 9.8055, 9.8215, 9.8320, 9.8440 or 9.8515, a lesser width is approved by the planning director and public works director based on adopted plans and policies, adopted “Design Standards and Guidelines for Eugene Streets, Sidewalks, Bikeways, and Accessways” or other factors which, in the judgment of the planning and public works director allow for a lesser alley width.