As per the Indian Roads Congress guidelines (IRC 86: 2018), extra widening depends on which of the following parameters?

For a horizontal curve, the radius of a circular curve is obtained as 300 m with the design speed as 15 $m/s$. If the allowable jerk is 0.75 $m/s^{3}$, what is...

Which of the following is equal to the stopping sight distance?

A parabolic vertical crest curve connects two road segments with grades +1.0% and-2.0%. If a 200 m stopping sight distance is needed for a driver at a height of...