Question: An overpass is being built along an equal - tangent sag vertical curve with grades of - 3 % and + 4 % that is

An overpass is being built along an equal-tangent sag vertical curve with grades of -3% and +4% that is designed for 65mih. The clearance height of the overpass is 13.5 feet. What minimum length of curve is necessary to accommodate stopping sight distance?
An overpass is being built along an equal -

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