The Sun Cloud is a data portal for sharing transportation and socioeconomic data for the Sun Corridor megaregion that extends from Phoenix to the Mexico border. The Sun Cloud portal strengthens regional alignment and planning for smart infrastructure investments to improve mobility and safety in the fast-growing Sun Corridor megaregion. The Sun Cloud is used to enhance the work that supports transportation planning efforts and access to socioeconomic data. Strengthening the megaregional planning process saves money, improves outcomes, and fosters the coordination of diverse priorities more effectively.