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TRAFFIC INDEX CALCULATIONS FOR BUCKEYE PROJECT EXCAVATION <br /> • Assume 10 year road design. <br /> (120 truck trips/day for 5 years (hauling duration) applied to 10 years <br /> design life — 60 truck trips/day. ) <br /> • Current and projected truck ADT on Peltier Road (Davis Road to Ray Road) : <br /> (Average 'R' Value — 40 on Peltier Road. ) <br /> Volume ESAL Constant ESAL <br /> 120 (5-axle) 6,890 — 826,800 <br /> 20 (4-axle) 2,940 — 58,800 <br /> 20 (3-axle) 1,840 — 36,800 <br /> 30 (2 axle) 690 — 20,700 <br /> 943,100 <br /> Traffic Index — 9.0 <br /> Gravel Equivalent — 1.7 <br /> Add 60 5-axle trucks/day <br /> 60 (5-axle) 6,890 — 413,400 <br /> Total With Project — 1,356,500 <br /> Traffic Index With Project — 9.5 <br /> Gravel Equivalent — 1.8 <br /> • Current and Projected Truck ADT on Ray-Kile: <br /> (Average 'R' Value — 20 on Ray Road. ) <br /> Volume ESAL Constant ESAL <br /> 10 (5-axle) 6,890 — 68,900 <br /> Traffic Index — 6.5 <br /> Gravel Equivalent — 1.65 <br /> Add 60 5-axle trucks/day <br /> 60 (5-axle) 6,890 — 413,400 <br /> Total With Project — 482,300 <br /> Traffic Index With Project — 8.0 <br /> Gravel Equivalent — 2.05 <br />