جستجو در تالارهای گفتگو

GIS-based system for sight distance analysis of highways María Castro a*, José A. Anta b, Luis Iglesias c, José A. Sánchez d Abstract Analysing the distance visible to a driver on a highway is important for traffic safety, especially in manoeuvres such as emergency stops, when passing another vehicle, or when vehicles cross at intersections. Software that calculates highway distances visible to a driver has been developed. This software is supported by a Geographic Information System (GIS) and can use a trajectory defined by points obtained with a GNSS receiver instead of relying on project information. The software includes specific tools for studying shortcomings in 3D alignment, mainly divings. In this article, the software and its application to a case study are presented. The results are compared with those obtained using an existing validated procedure Keywords: Highways and roads; Design; Sight distances; Geographic information systems; Terrain models. 10.1061-(ASCE)CP.1943-5487.0000317 (1).pdf