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September 11, 2021 <br />Page 43 <br />Figure 24: Four -Lane Arterial Conceptual Section <br />Lane <br />Lane <br />Lane <br />Lane <br />JOEL_ <br />ii=in, <br />..!!! <br />riiii <br />iiiiik <br />• IJ <br />1 IINIT <br />45 <br />New River Crossing - A2 <br />New river crossing — A2 includes the construction of a four -lane rural divided expressway along the <br />proposed alignment. Right-of-way needs were assumed to be 160-foot' wide to account for grading <br />and required clear zone. Low and high costs differ based on material and land cost ranges. The <br />roadway was assumed to have a 55-mph speed limit and meet MnDOT standards shown in the <br />figure below. Intersections along the expressway were assumed to be spaced a minimum of one-half <br />mile apart. Example intersection types include restricted crossing U-Turn intersections (RCUTs), <br />traffic signalized intersections, Green-T intersections, roundabouts, and grade separated side road <br />crossings. <br />Figure 25: Four -Lane Expressway Conceptual Section <br />66 ft <br />Grass Median <br />12ft <br />Lane <br />12ft Eft <br />4. <br />Lane Shld. <br />55 <br />Northwest Metro Mississippi River Crossing Feasibility Analysis <br />