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a horizontal curve on a single-lane freeway ramp with 2% upgrade is 500 ft long, and the design speed of the ramp is 50 mph. if the supperelevation is 0.08 ft/ft and the station of the pc is 35 17, what is the centerline station of the pi and how much distance must be cleared from the center of the lane to provide adequate stopping sight distance? assume piev
Sagot :
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