This Technical Note seeks to inform and contribute to policymaking efforts aimed at improving the ability of mass transit or transport infrastructure projects to deliver regional sustainable development benefits. This document analyzes the region created by Bogotá and its immediately surrounding municipalities within the Cundinamarca Department from a Transit Oriented Development perspective and considers the challenges and opportunities for sustainable territorial development arising from the implementation of Bogota’s First Metro First Line (BML1) and the RegioTram de Occidente (RTO).