The sustainable development of infrastructure in intermediary cities represents a crucial challenge in Latin America, where it seeks to balance urban growth with environmental preservation and social cohesion. Huancayo, one of the most representative cities in Peru's Andean region, faces problems related to disorderly growth, lack of planning, and the need for efficient infrastructure. However, there are also opportunities linked to the implementation of renewable energies, efficient waste management, and the modernization of urban transport. This article addresses the main difficulties and opportunities in the process of sustainable infrastructure development in Huancayo, analyzing local efforts in sectors such as housing, urban mobility and sanitation. Based on a situational diagnosis, strategies that promote sustainable development are proposed, emphasizing the importance of citizen participation and long-term planning. The conclusions underline the need for a multisectoral and inclusive approach to transform these challenges into opportunities to improve the quality of life and preserve the city's natural environment.