If V is speed of a moving vehicle, r is radius of the curve, g is the accelertion due to gravity, W is the width of the carriageway, the super elevation is

- 1
  
  $\frac{W V}{g r}$
- 2
  
  $\frac{W^{2} V}{g r}$
- 3
  
  $\frac{W V^{2}}{g r}$
- 4
  
  $\frac{W V}{g r^{2}}$

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