What must the drivers-eye height

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A 1200-ft equal-tangent crest vertical curve is currently designed for 50 mi/h. A civil engineering student contends that 60 mi/h is safe in a van because of the higher driver's-eye height. If all other design inputs are standard, what must the driver's-eye height (in the van) be for the student's claim to be valid?

Reference no: EM131142552

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