(A) Vertical. For main thoroughfares, profile grades shall be connected by vertical curves of a minimum length in multiples of 50 feet, approximately equivalent to 20 times the algebraic difference between the rates of grade, expressed in feet per hundred; for secondary and minor streets and alleys, 15 times.
(B) Design standards for visibility. The normal subdivision street shall be designed for a speed of 35 mph (through streets) or 25 mph (no outlet residential streets). The standards for the design speed shall be in accordance with the Ohio Department of Transportation Location and Design Manual, latest edition, in regard to the following design conditions:
(1) Maximum degree of curvature;
(2) Minimum horizontal visibility;
(3) Minimum vertical visibility; and
(4) Minimum intersection sight distance. Note that the minimum intersection sight distance shall apply to the road being entered, where speeds may be as high as 55 mph.
(Ord. O-28-2021, passed 11-16-2021)