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§ 12.2a E. Vertical Curves. Different connecting street gradients shall be connected with vertical parabolic curves. Minimum sight distance of 200 feet must be provided. Local Streets. Minor streets shall be so aligned that their use by through traffic will be discouraged. G. Street logs. Street jogs shall not have center line offsets of less than 125 feet. H. Safe Intersections. All street intersections and confluences shall be designed to encourage safe and efficient traffic flow. Source: Ordinance No.706 Effective Date: 12-11-57 I. Cul-de-sac. A cul-de-sac street shall be measured along its center line from a point in the extended line from the back of the curb line of the intersecting street of origin to the back of the curb line of the cul-de-sac at its closed end. If there is no curb, the measurement shall be made from the corresponding edge of the improved surface of the roadway. Maximum length of a cul-de-sac street shall be 500 feet. Except as provided hereinafter, each cul-de-sac shall have a closed end turnaround with an outside diameter of the improved roadway surface of at least 100 feet and a street right-of-way diameter of at 120 feet. Alternatively, if the proposed cul-de-sac street is 190 feet or less in length, the subdivider may apply for a reduced turnaround having an outside roadway diameter of at least 90 feet and a street right-of-way diameter of at least 100 feet. Since such reduction in size may increase the difficulty of street maintenance or fire prevention activities, the Director of Public Works or the Fire Marshall may require limitations regarding the type, placement or replacement of any structures or plantings to be located in or within 10 feet of the cul-de-sac right-of-way. Structures for purposes of this paragraph shall include fences, fire hydrants, light poles, mail boxes, utility boxes or poles, etc. The Director of Public Works may also impose additional limitations concerning the location and width of driveways accessing all lots with frontage on the reduced turnaround cul-de-sac street and, in no event may the width of a driveway exceed 50% of the width of the lot it accesses as measured at the roadway by extending the side lot Tines to the back of the curb line. Source: Ordinance No. 93, 2nd Series Effective Date: 6-25-92 7. Marginal Access Streets. Where a subdivision abuts on or contains an existing or planned thoroughfare, the Council may require marginal access streets or such other treatment as may be necessary for adequate protection of residential properties and to afford separation of through and local traffic. Go/den Val/ey City Code Page 2 of 4