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State highways must comply with the Minnesota State Highway Department right-of-way plans. C. Cul-de-sac design. If there is not a looped road system provided and the street is greater than 200 feet in length, there shall be a cul-de-sac or other approved turnaround. Cul-de-Sac Diameter Necessary Right-of- W av 100' 80' 120' Standard 100' Only if conditions are met. Final approval must come from Public Works Director D. Reduction in right-of-way/cul-de-sac dimensions. If the following criteria is met, the Public Works Director may approve a reduced right-of-way or alternate cul-de-sac design. In all cases, the minimum cul-de-sac diameter shall be 80 feet for purposes of emergency vehicle access. 1) Excessive impact to adjacent properties- encroachment on home or principle structure. 2) Impact to ponding areas/wetlands - requiring pond or wetland alteration. 3) Restrictions of existing right-of-way - substandard right-of-way less than standard 60 feet. E. Alternatives to the cul-de-sac. The following turn around design may be substituted for the standard cul-de-sac design (attached illustration with dimensions). F. Islands in cul-de-sac. As an option, a landscaped island may be constructed in a cul-de-sac. A clear distance of 24' minimum shall be required between the island and the outer curb. No physical barriers which would impede the movement of emergency vehicles shall be allowed within the island. In all cases, no parking shall be allowed in cul-de-sacs with landscaped islands. Section 4. Effective Date This ordinance shall be in force and effect from and after i PASSED by the City Council of the City of Roseville, t is ATTEST: ~ Steve Sar ozy City Manager 2