How extensive was the network of roads built by the Incas?

The network of roads built by the Incas was remarkably extensive, measuring approximately 10,000 miles. This network facilitated communication, transport, and trade across the vast and varied geography of the Inca Empire, which spanned from modern-day Colombia to Chile. The Inca roads were constructed for various purposes, including the movement of armies, goods, and people, showcasing the political and economic sophistication of the civilization.

Roads often connected remote areas to the capital city of Cusco, allowing for efficient administration and control of their territory. The network featured advanced engineering techniques, including the use of bridges and causeways, that enabled it to traverse difficult terrains such as mountains and valleys. Additionally, the Incas established way stations or "tambos" along the roadways for rest and resupply, further enhancing the functionality of this remarkable transportation system.

This extensive road system played a critical role in the strength and unity of the Inca Empire, demonstrating their innovative approach to infrastructure and logistics.