This edition of the Infrastructure in Latin American and Caribbean Development Report (IDEAL), titled 'Land Border Crossings as Spaces for Regional Integration and Development,' analyzes the strategic role of border crossings in the physical connectivity and regional integration of Latin America and the Caribbean. These key points facilitate the movement of goods and people, while driving socioeconomic development in border areas.The report presents case studies of relevant border crossings, addresses challenges in infrastructure and governance, and highlights intervention opportunities to optimize their functioning. With a focus on sustainability and resilience, this report reflects CAF's commitment to generating specialized knowledge that allows for designing effective strategies to promote regional integration, improve competitiveness, and reduce inequalities in the region.