### Designing the tangent vertical curve

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##### Reference no: EM1383095

An equal tangent vertical curve is to be constructed between grades of -2.0% (initial) and 1.0% (final) .The PVI is at station 3+352.8 and the elevation 128.016m. Due to a street crossing a roadway, the elevation of the roadway at station 3 +413.760 must be at 129.388 m. Design the curve?

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