Sight Distance And Depending Factors - Civil Engineering

Sunday, 6 January 2019

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. Efficiency of the break of the vehicle.
4. The frictional resistance of the road surface.
5. Slope of the road surface.
6. Eye sight of the driver.
7. Weather condition.

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