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Unit Costs for Est/mating System Construction hnprovements in 2005 dollars <br /> <br />2-Lane Rural Hiqhways <br />Up to I500 ADT (4' shoulder) <br />Up to t2,000 ADT (8-10' shoulder) <br /> <br />$750,000 per mile <br />$t,100,000 per mite <br /> <br />4-Lane Rural Hi,qh.way..s. <br />Up to 40,000 ADT <br /> <br />$2,200,000 per mile <br /> <br />2-Lanel3-Lane Undivided Urban/Urbanizin,q <br /> <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 Urbanizin.q <br /> <br />2-20' sections w/grass median <br /> <br />$1,700,000 per mile <br /> <br />4~Lane Undivided Urban <br /> <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 /> <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 mite <br /> <br />Intersection h-nprovements <br />Right Turn Lane (300 ft. + 1'80 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 mite <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 />Page 6 of' 14 <br /> <br /> <br />