Tutorial: Sight Distance along Corridors using TerraScan

Sight distance assessment is of major importance for road safety. It is essential that available distances along roads are sufficient for emergency stops or overtaking maneuvers where required. Sight distance of signage can be used to assess safety when it comes to traffic signs or rail signals, or show the economics of a billboard.

The TerraScan software has been successfully utilized to analyze 3D road data to help identifying obstacles in the point cloud between the driver and the farthest target object on the roadway that can be seen by the driver without the line-of-sight being interrupted. TerraScan produces labels representing sight distances which determine how far a viewer sees along a road, railroad, or other corridor.


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