Q3. A vertical curve is to be designed to join gradients of -2 and -4% with the design speed of 60mph. PVI of the curve is located at station 200+X at an elevation of 120ft. Find out length of curve,...

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X=10

Extracted text: Q3. A vertical curve is to be designed to join gradients of -2 and -4% with the design speed of 60mph. PVI of the curve is located at station 200+X at an elevation of 120ft. Find out length of curve, stationing and elevation of PVC, PVT and lowest point on the curve. Perception reaction time is 2.5 sec for drivers and coefficient of friction is taken as 0.348.