Sight Distance And Depending Factors

Sight Distance

The distance along the centre line of a road at which a driver has visibility of an object, stationary or moving at a specified height above the carriageway is called sight distance.

The safe sight distance depends upon the following factors

  1. Speed of the vehicle.
  2. Perception time and break reaction time.
  3. The efficiency of the break of the vehicle.
  4. The frictional resistance of the road surface.
  5. The slope of the road surface.
  6. The eyesight of the driver.
  7. Weather condition.

Read More:

Stopping Sight Distance

Passing Sight Distance