The expression for the length of a transition curve (Ls) in meters is

• A. \(L_s = \frac{V^3}{CR}\)
• B. \({L_s} = \frac{{{V^3}}}{{16\;CR}}\)
• C. \({L_s} = \frac{{{V^3}}}{{24\;CR}}\)
• D. \({L_s} = \frac{{{V^3}}}{{46.5\;CR}}\)