Resumen
Software VIAS, free versions, allows to make the complete design or a stage anyone within a project of a highway. It has controls easy to use, is in Spanish, and provides clear information, of easy handling and interpretation in addition an excellent presentation. The software can be easily installed in any version of Autocad, the most popular CAD software in the world. It executes completely each one of the stages in a highway design . The horizontal alignment can be made using curved circular or spiral. VIAS software obtains profiles, makes the vertical design, calculates and draws automatically the superelevation, obtains cross sections, calculates the earthwork, affectation of lands and draws the road projected in 3 dimensions. Besides to make the graphical design it provides a complete information in text and Excel files that can easily be manipulated and be incorporated to any report. In addition, it presents some practical applications for survey and GIS.Rev. ing. constr. [online]. 2008, vol.23, n.1, pp. 52-59. ISSN 0718-5073. http://dx.doi.org/10.4067/S0718-50732008000100006.