(a) The roadway radius for all roads, and private lanes shall conform to the standards for Road Category 4. The minimum roadway radius for driveways shall conform to the standards for Road Category 1. No roadway shall have a horizontal inside radius of curvature of less than 50 feet unless it has been demonstrated to be in conformance with the County Roadway Design Manual. (Ord. 1952, § 1, 12/17/1991)

(b) Curve alignments shall provide for curve widening on low radius curves to compensate for off tracking characteristics or trucks and trailers. Additional surface width of four (4) feet shall be added to curves of 50-100 feet radius; two (2) feet to those from 100-200 feet. Design of curve alignments shall be in conformance with the County Design Manual. (Ord. 1952, § 1, 12/17/1991)