Question: A + 2 . 0 0 % grade meets a + 5 . 0 0 % grade at station 1 2 0 + 3 0

A +2.00% grade meets a +5.00% grade at station 120+30.00 elevation 168.20. For a design
speed of 55 mph, find the minimum length of vertical curve that satisfies the AASHTO stopping
sight-distance criterion. Calculate the centerline roadbed elevations of the design curve at the VP

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