Boys and girls in grades eight and nine appreciate the rules of behavior as a transport actor, depending on the mode they use to get around; differentiate the types of roads (trunk, routes, avenues, arteries, bike paths, pedestrian paths), the criteria for their differentiation (transport, gauge, traffic) and the reason for their priority (efficiency), the specific road demarcation of each net. "Pedagogical Orientations in mobility. Ministry of National Education of Colombia."