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Problem #4-Multiple Choice : Relating SSD to Design (2 points) A tow truck is searching a city street at 40 mph for illegally parked vehicles. It travels over an equal- tangent vertical curve with an initial grade of +40% and a final grade of 2.0%. If the height of the drivers eye is 6.0 ft and the driver spots a car 450 ft away with a height of 4.0 ft, what is the minimum length of the vertical curve. Include a sketch and show your work. 1) 562.94 ft 2) 1304.15 ft 3) 240.07 ft 4) 306.85 ft
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Answer #1

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