If R is the radius of the main curve, θ the angle of deflection, S the shift and L the length of the transition curve, then, total tangent length of the curve, is

[A].

(R - S) tan θ/2 - L/2

[B].

(R + S) tan θ/2 - L/2

[C].

(R + S) tan θ/2 + L/2

[D].

(R - S) tan θ/2 + L/2

[E].

(R - S) cos θ/2 + L/2

Answer: Option C

Explanation:

No answer description available for this question.