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Units R.O.W.* M.P. * Section (feet) (feet) 1+ 70 32 8-inch class 4 18-inch class 5 100%crushed 4-inch 2341 bituminous surface *Right-of-Way Width **Minimum Paved Width (e) Horizontal and vertical control. Horizontal and vertical control shall be as follows: Functional Design Vertical 'Horizontal Class Speed Control Control (mph) Maximum Minimum Gradient Radius (percent) (feet) P ivate street 30 12 275 (residential) i Public street 30 10 275 (residential) Public street 40 8 400 (commercial and . industrial) (Code 1984,§11.33) Sec.82-282.-Off-site premises;roadways. (a) Access to improved public or private roadways. No subdivision shall be approved unless the area to be subdivided shall have adequate access from an existing publicly dedicated and opened roadway or on a private roadway open to travel or vehicular use pursuant to an easement between persons or between persons and the city.Such roadway must be suitably improved as required by the city,the state or the county. If the public roadway, including but not limited to existing bridges, drainage structures, lighting, shoulders, base, pavement, alignment or sight distance, is not suitable to handle the proposed additional vehicular traffic from the subdivision, the subdivider at his expense will be responsible for first improving the public roadway to a standard acceptable to the city,to ensure that the health,safety and welfare of the citizens presently using the roadway and in the future will be protected and will not be adversely affected by the increased use of the roadway caused by the subdivision. This improvement shall be accomplished prior to final subdivision approval unless the city agrees and the subdivider provides a suitable performance bond to complete the improvements in the subdivider's agreement. (b) Access to improved public roadways over existing private roadways. Wherever the area to be subdivided is to utilize an existing private roadway in order to gain access to the public roadway,such private roadway shall be suitably improved as provided in this section for public roadways. (Code 1984,§11.32(1)) Sec.82-283.-On-site roadways. (a) Grading and improvement plan. Roadways shall be graded and improved to conform to the city's construction standards and specifications and shall be approved as to design and specifications by the city engineer, in accordance with the construction plans required to be submitted prior to final subdivision approval. (b) Topography and arrangement. Page 20