7-6-8: STREET AND PATHWAY ALIGNMENT:
   A.   Natural Terrain Contours: Consistent with the applicable sections of the development regulations, street and road alignment shall follow natural terrain contours so as to result in safe streets, usable lots and minimum cuts and fills.
   B.   Horizontal And Vertical Alignment: Horizontal and vertical alignment for both paths and streets shall be designed in accordance with AASHTO guidelines for each travelway. For streets and roads, the design speed of the proposed street or road will be taken into account when using the guidelines. All curves shall be simple curves and super elevation shall not exceed six percent (6%).
   C.   Runoff Conveyance: Streets and paths shall be designed specifically with a space for conveyance of runoff; this may be a drainage swale, curb and gutter or other acceptable method. Horizontal and vertical elements shall be designed to assure positive and effective drainage to the conveyance space. Subsurface and surface waters shall be accommodated by approved drains and other facilities as determined necessary by good engineering practice or by the city. Drains for surface water shall not be smaller than twelve inches (12") in diameter.
   D.   Stopping Sight Distance: Minimum stopping sight distance shall be provided on all private and public roadways and streets in accordance with AASHTO guidelines. Minimum stopping sight distance shall be provided on all pathways in accordance with AASHTO guidelines. (Ord. 382, 10-25-2006)