On horizontal and vertical curves, crossing sight distance must be provided to avoid any collision of two vehicles coming from opposite directions.

Related MCQs

• When the valley curves are designed as square parabola, the stopping sight distance should be equal to head-light beam distance.
• The design criterion for the summit curves is the sight distance to be allowed on the highway.
• The total rise or fall between any two points chosen on the alignment divided by the horizontal distance between the two points, is called
• The stopping sight distance is the
• The longest distance at which a driver, whose line of sight is 1.2 m above the road surface, can see the top of an object 10 cm high on the surface of road, is called
• The stopping sight distance depends upon the
• The minimum length of a valley curve should be such that the head light beam sight distance is equal to the
• In hill roads, minimum sight distance required is
• The stopping sight distance is always
• Transition curves are not provided on highways.