Question: a - 2 . 5 % grade is connected to a + 1 % grade by means of a 5 0 0 ft vertical curve.

a -2.5% grade is connected to a +1% grade by means of a 500 ft vertical curve. The PVI station is 300+00 and the elevation of the PVI is 300.25 ft. What is the station of the lowest point of the vertical curve?

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