Road protection against car address failures. (Machine-translation by Google Translate, not legally binding)

摘要

Protection of roads against steering direction failures of automobiles, characterized by being assigned to tubes of square or rectangular section in longitudinal succession spacedly supported by posts poured in double t driven into the ground with the soul in plane perpendicular to the axis of the road, so that by combining the number of rows in height there is always protection in its median plane, something above the plane, the center of gravity whose height on the ground is, in turn, average of the different types of vehicles in their most general character. (Machine-translation by Google Translate, not legally binding)