(Solution) An equal-tangent sag curve has its PVI at station 10+00 and elevation of 138 ft. The PVC is at station 4+57. > Snapessays.com

(Solution) An equal-tangent sag curve has its PVI at station 10+00 and elevation of 138 ft. The PVC is at station 4+57.

An equal-tangent sag curve has its PVI at station 10+00 and elevation of 138 ft. The PVC is at station 4+57. If the initial grade is –4%, what is the highest possible slope of the final grade that will satisfy stopping sight distance requirements at a design speed of 70-mph? Directly above the PVI, the bottom of an overpass structure is located at an elevation of 162 ft. Is sufficient clearance provided to satisfy stopping sight distance requirements? (Note: You may ignore the cross-sectional width of the overpass.)

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This question was answered on: Sep 21, 2023

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