When the valley curves are designed as square parabola, the stopping sight distance should be equal to head-light beam distance.

Related MCQs

• The minimum length of a valley curve should be such that the head light beam sight distance is equal to the
• The stopping sight distance is the
• The stopping sight distance depends upon the
• The stopping sight distance is always
• The design criterion for the summit curves is the sight distance to be allowed on the highway.
• On horizontal and vertical curves, crossing sight distance must be provided to avoid any collision of two vehicles coming from opposite directions.
• Valley curves are required to be introduced at the situations where
• The design criterion for the valley curves is the centrifugal force developed.
• Design of both summit and valley curves is based on the assumption that the
• A curve at the valley between two hills having a concave shape is called a valley curve.