A.    Where the street lines within a block deflect from each other at any one (1) point more than ten (10) degrees there should be a connecting curve.

    B.    The radius of the curve for the inner line should not be less than three hundred fifty feet (350) for major streets, two hundred fifty (250) feet for an important neighborhood street, and one (100) hundred feet for minor streets.

    C.    Vertical curves shall be used at all changes of grade exceeding one (1) percent and shall be designed to provide minimum sight distances (three and one-half (3-1/2) feet high drive to one (1.0) feet high object) of two hundred (200) feet for minor streets and three hundred (300) feet for all other streets except that vertical curves for major streets shall be as determined by the current specifications for the Utah State Department of Transportation. (PZSC § 03-28-005 (2) (F))