A 450-ft curve, grades of g1 = 4.00% and g2 = 3.00%, VPI at station 66 +

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A 450-ft curve, grades of g1 = −4.00% and g2 = −3.00%, VPI at station 66 + 50, and elevation 560.00 ft, stakeout at full stations.
Tabulate station elevations for an equal-tangent parabolic curve for the data given in Problem above. Check by second differences.
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