How much distance must be cleared from the center of lane

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A horizontal curve on a single lane freeway ramp is 400 ft long and the design speed of the ramp is 45mi/h. If the superelevation is .10 at the station of the PC is 17+35, what is the station of the PI and how much distance must be cleared from the center of the lane to provide adequate stopping sight distance?

Reference no: EM13304545

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