The expansion of the Inca road system, known as Qhapaq Ñan, around 1400 AD was a remarkable feat of engineering that connected the vast territories of the Inca Empire. Spanning over 40,000 kilometers, this network of roads included waystations for messengers and administrative travel, facilitating communication and trade across the Andes. The road system played a crucial role in the administration and cohesion of the empire, showcasing the Incas' organizational skills and commitment to infrastructure.

Supported imperial communication that influenced Andean oral traditions and later inspired Latin American literature on pre-Columbian heritage. Poets like César Vallejo and Pablo Neruda drew upon these themes, exploring identity and cultural memory in their works.