Design the ramp for the highest horizontal curve

Reference no: EM13296749

The entrance to Mt. Hood Meadows (elevation 3,075 ft at the point of crossing) is grade separated from Viking highway (elevation 3,050 ft at the point of crossing) and will have to be connected. The two roadways intersect at a right angle. The entrance to Meadows has a constant +5.5% grade westward.
Viking highway has a constant -1.0% grade southward. Engineer Ali needs to connect the southbound direction of travel to the westbound direction of travel and needs to take into consideration slippery ice conditions in the winter, and so the maximum degree of curvature can be at most 6.0 and the superelevation can be at most +6.0%. Design the ramp for the highest horizontal curve design speed given the constraints

Reference no: EM13296749

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