At road-stretches where required OSD cannot be provided, as far as possible ‘Intermediate Sight Distance’, ISD equal to twice SSD may be ...

The overtaking sight distance is the minimum distance open to the vision of the driver of a vehicle intending to overtake the slow vehicle ...

Safe stopping sight distance, SSD for the design speed is the absolute minimum sight distance. This particular sight distance traveled du...

  Road geometry affects the sight distance available to the driver. Sight distance in the context of road design is defined as “the length o...