One way that the Inca were able to sustain them was through the varying designs. William H. Isbell states, “The hallmark of Inca roads was functional solutions to environmental challenges, and there was no standard width, surfacing material, construction technique, or other technical feature” (Isbell n.p.). The roads were built upon different foundations. If the land was already stable, there was not a need for an elaborate foundation. However, if the roads were being built upon a marsh or location with heavy rainfall, a strong foundation was laid out using stones. When building upon steep hills or mountains, steps were often incorporated to facilitate the journey. Walls were also put up, and for two reasons. The first is that they protected travelers from landslides, which often occurred if they were crossing through a valley, and the second being that the walls protected crops from travelers who would have otherwise been tempted to steal. Drainage ditches were also incorporated in areas with large amounts of rainfall to prevent the roads from flooding and being impassable. The roads were also made more efficient by varying the widths of the roads. In dense areas near cities where many people traversed, the roads were made as wide as 33 feet. In desolate areas away from cities or towns where the roads did not need to be wide, the length of the path would be as narrow as three feet. The average width of road was …show more content…
The features, which were far beyond their years, contributed to the government’s ability to easily connect with all subjects of the empire. Along with the Roman road system, many people consider the Inca road system to be one of the most successful road systems ever.
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