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Determine the required stopping sight distance. 18. A vehicle is travelling with a speed of 40 mph over an equal tangent vertical curve which has an initial grade of +4.0% and final grade of-2.000. If the height of the drivers eye if 6.0 ft and the driver spots a car 460 ft away with a height of 4.0 ft, what is the minimum length of the vertical curve for this situation?
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engineering   Civil-Engineering   
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Answer #1

Speed v= 4.mp. pi distance Ssp460 し> SSD 2 0 06 X 460 2x6 ty4 AN 31460) 0.06 L = 26 0.06ft

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