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I <br />I <br /> <br />I <br />I <br /> <br />I <br />I <br />I <br />I <br />I <br /> <br />I <br /> <br />lUrban Residential (Minor). <br />Cul-de-sac (Urban) <br /> Cul-de-sac (Rural) <br /> Service <br /> <br />60 feet <br />60 feet radius <br /> <br />65 feet radius <br />60 feet <br /> <br />Different widths may be required, depending upon anticipated traffic volume, <br />planned.functions of street, and character of abutting land 'use. <br /> <br />The, classification of street' and determined right-of-way width shalI ~be ~ 9.50.30 <br />by the City Comprehensive Plan. ' . <br /> <br /> ten:degrees;smd. Street. ~es<stigl~:~be coanecteG: ~gi:!~:~cu~e<'::~i~';; a;vadiUs:i~o~ <br /> shall serve as collector and arterial streets shall have a minimum radius of <br /> <br />do <br /> <br />go <br /> <br />310 feet. SUch street may be reduced to a minimum of 240 feet Providing <br />full superelevation is incorpOrated in the Street design. All Municipal State <br />_Aid (MSA) roads shall'meet current MSA standards for horizontal <br /> <br />ali~munent which is dependant upon desi _ma speed2 <br /> <br />Street grades shall not exceed 7% for minor and collector streets and 4% for <br />thoroughfares, and in no case shall they be less than 0.4%. Wherever <br />feasible, grades within 30 feet of street intersections shall not exceed 3% <br />and all pri.vate driveways providing access to public rizht-of-wav shall <br />_approach to grade level. <br /> <br />Different connecting street gradients shall be connected with vertical curves. <br />Minimum length, in feet, of said vertical curves shall be 100 feet or 20 times <br />the algebraic difference in the percentage of grade of the two adjacent <br />gradients. <br /> <br />Street jogs in minor and service streets shall have a centefline offset of not <br />less than 150 feet. Street jogs in collector streets shall have a centerline <br />offset of not less than 3'00. feet. <br /> <br />Minor streets shall be so aligned, that their use by through traffic will be <br />discouraged. <br /> <br />The maximum length of cul-de-sac streets shall be 600 feet, measured along <br />the centerline from the intersection of origin to the end of the right-of-way. <br />Each cul~de-sac shall have a terminus of nearly circular shape with a <br />minimum right-of- way diameter of 130 feet and a minimum roadway <br />diameter of 100 feet. <br /> <br />December 2002 Draft <br /> <br />9-35 <br /> <br />81 <br /> <br /> <br />