Give the stationing and elevations of the pc

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Reference no: EM131142452

Two straight sections of freeway cross at a right angle. At the point of crossing, the east-west highway is at elevation 150 ft and has a constant +5.0% grade (upgrade in the east direction), and the north-south highway is at elevation 125 ft and has a constant -3.0% grade (downgrade in the north direction).

Design a 90- degree ramp that connects the northbound direction of travel to the eastbound direction of travel. Design the ramp for the highest design speed (to nearest 5 mi/h) with the constraint that the minimum allowable value of D is 8.0. (Assume that the PC of the horizontal curve is at station 15 + 00, and the vertical curve PVIs are at the PC and PT.)

Give the stationing and elevations of the PC, PT, PVCs, and PVTs.

Reference no: EM131142452

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