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<br /> <br />Roadway Construction Cost Estimation <br />Ramsey Transportation Plan Update <br /> <br />Unit Costs for Estimating System Construction Improvements in 2005 dollars <br /> <br />2-Lane Rural Highways <br />Up to 1500 ADT (4' shoulder) <br />Up to 12,000 ADT (8-10' shoulder) <br /> <br />$750,000 per mile <br />$1,100,000 per mile <br /> <br />4-Lane Rural Highways <br />Up to 40,000 ADT <br /> <br />$2,200,000 per mile <br /> <br />2-Lane/3-Lane Undivided Urban/Urbanizing <br />44' section <br />54'-56' section <br /> <br />$1,800,000 per mile <br />$2,200,000 per mile <br /> <br />2-Lane Divided Urbanizing <br />2-20' sections w/grass median <br /> <br />$1,700,000 per mile <br /> <br />4-Lane Undivided Urban <br />52' section <br />68' section <br /> <br />$2,100,000 per mile <br />$2,800,000 per mile <br /> <br />4-Lane Divided Urban/Urbanizing <br />2-26' sections w/grass median <br />2-34' sections wi grass median <br /> <br />$2,300,000 per mile <br />$2,900,000 per mile <br /> <br />Intersection Improvements <br />Right Turn Lane (300 ft. + 180 ft. taper) <br />Bypass Lane (T-intersections only) <br />Left Turn Lanes (300 ft. + 180 ft. taper) <br />All-Way Stop . <br />Signalization (signal only) <br />Interchange <br /> <br />$25,000 each <br />$35,000 each <br />$250,000 per pair <br />$5.000 per intersection <br />$250.000 per intersection <br />$10.000,000 each <br /> <br />Other Costs (not included above) <br />Right-of-Way - varies by project and location <br />10' Bituminous Trail - $80.000 per mile <br />Bridges - $100/sq ft of deck <br />Retaining Walls - $20/sq ft of face <br />Box Culverts - $400/linear ft <br />.Utilities - varies by project <br /> <br /> <br />Page 6 of 14 <br />