Question: 4 . A 3 . 5 0 horizontal curve is to be designed on a highway with a design speed of 6 0 mi /

4. A 3.50 horizontal curve is to be designed on a highway with a design speed of 60 mi/hr. Spiral
transition curves are to be used. Determine the length of the spiral using equation 3.12 and the
appropriate stations for the T.S., S.C., C.S, and S.T. The angle of deflection for the original tangents is
400
, and the PI is at station 151+26.

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