The main functions are those provided directly by the metropolitan region or regional authority. For example, in Sao Paulo, transportation, planning and water and sanitation networks are provided by state companies for the metropolitan area. In Santiago, there is no metropolitan-wide service delivery capacity. J. (2008), “Recent Perspectives on Metropolitan Organization, Functions and Governance”, in E. Rojas, J.R. Cuadrado-Roura and J.M. Fernandez Giiell (eds.),