An 800 ft vertical curve with equal legs is provided for a highway crest vertical curve. The grade of the back tangent is 2% and the grade of the forward tangent is negative 2%. The elevation of PVI is 1200 ft. If the PVI is at station 11+00 and the PVC is at station 7+00, what is the tangent offset at station 8+00?

Answer rating: 100% (QA)

To find the tangent offset at station 800 we first need to determine the elevations of both the PVC ... View the full answer