How much tangent distance between the two curves is needed

Reference no: EM13559294

1.Calculate the stopping sight distance over the crest of a 1,500 ft vertical curve with a plus grade of 4.4percent and a minus grade of 2.3 percent.

2.A 6-lane freeway horiz. alignment has a 1200’ C.L. radius going into a tangent and then a reversing 1800’ radius. How much tangent distance between the two curves is needed to meet the superelevation runoff requirements?

Reference no: EM13559294

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