A vertical curve on this highway connects 1 and 3 grade and


a section of highway has vertical and horizontal curves with the same design speed. a vertical curve on this highway connects +1% and +3% grade and is 420ft long. if a horizontal curve on highway is on a two-lane section with 12 ft lanes and has a central angle of 37 degrees and a superelevation of 6%, what is the length of the horizontal curve?

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Civil Engineering: A vertical curve on this highway connects 1 and 3 grade and
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