What is it about?
A 3D model recreates a highway underpass to evaluate stopping sight distance and passing sight distance by means of a GIS-based application. The model combines a digital elevation model and a multipatch 3D feature class.
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Why is it important?
This study proposes a fully-3D method to evaluate sight distance of highway underpasses and other sight-distance-related issues, providing high accuracy. It avoids the use of 2D closed-form methods to estimate sight distance.
Perspectives
This work brings highway invetories and the BIM methodology close together.
Dr. César De Santos-Berbel
Universidad Politecnica de Madrid
Read the Original
This page is a summary of: Three-Dimensional Virtual Highway Model for Sight-Distance Evaluation of Highway Underpasses, Journal of Surveying Engineering, November 2018, American Society of Civil Engineers (ASCE),
DOI: 10.1061/(asce)su.1943-5428.0000258.
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