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By ir. John Drissen


Medellin has been involved in a series of economic, social and violence issues caused by drug trafficking and conflicts between communist guerrillas and paramilitaries. The city was in 1992 ranked as one of the most dangerous cities in the world. Today, things are different. On 21st of May, 2011, appeared in the local newspaper 'El Colombiano' an article titled: "Architecture has transformed Medellin" [1].The urban and social development of the city is remarkable, the number of violent incidents has decreased. The unemployment rate is low and the perception of safety on the people of Medellin is positive. This is been possible through integral collaborations between planners, designers and politicians to highlight areas of the city that have been ignored.

Traditionally, urban development projects in Colombia focus on finding specific solutions to physical problems. Medellin has opted for a different strategy to use the architecture and urbanism as a tool for social development. The results are visible in physical, functional and social changes. And most of all, the change in attitude of the inhabitants and their pride in their new urban spaces.



Medellin's urban development began with the management of mayors Luis Perez (2000 and 2003), Sergio Fajardo (2003-2007) and Alonso Salazar (2007-2011). And it is designed as a comprehensive strategy that seeks solutions to mobility, governance and education together with the recovery of public space and green areas. The aim of this strategy is to recover the poorest sectors of the city that until recently, were dominated by communist groups, paramilitaries or drug smugglers. These specific plans are executed through the Integral Urban Project (PUI)[2], the Land Use Plan (POT)[3} and the Master Plan for Green zones[4a; 4b}. They usually make part of one or two Macro Projects or "Structuring Axis" that become catalysts to smaller public space projects and infrastructure interventions around a specific area. The first PUI took place in the northeast of Medellin that feature the completion of the city's gondola system "Metro Cable"[5} (2004) and the urban development around the metro stations, such as the Library "Reyes de España", (Mazzanti[6], 2007). Currently there are running three integrated projects, the PUI of "Comuna 13" (one of the most dangerous areas of the city), the PUI of the Northwest area and, the PUI of the central eastern district.

The administration of Mayor Sergio Fajardo was vital to the city development with his model 'Medellin, the most educated'. His aim was to recovering the marginalized areas of the city through "Social Urbanism"[7]. He sought to heighten critical awareness of the injustices of traditional urban development and municipal management. Fajardo implemented projects that reflected his interest in improving the education system through new schools and libraries parks with high architectural value, symbolizing a "New Medellin" in order to show that violence can be fought by means of cultural development and social inclusion[8].

The implementation of the city's urban development is in the charge of the "Empresa de Desarrollo Urbano del Municipio de Medellin" (EDU)[9]. This organization has become extremely important to design, manage and implement various urban and architectural plans through joint inter-sectoral and interagency coordination.

To understand Medellin's urban solutions, you should take into account the topography of Medellin, which limits the space development and therefore, it requires extreme alternatives to solve problems of space and mobility. The "Metro Cable" came for example, from the need to connect informal settlements in the upper parts of the city with the metro system at the lower valley near the river. This reduced the travel time from more than one hour down to just ten minutes. Other project to highlight is the PUI of "Comuna 13"[10] with a network of public electrical escalators at the most inclined parts of the commune.



Medellin is enclosed by mountains which act as a barrier to access to the city. The principal access on the north side (city of Bello), connect the city with routes coming from the center of Colombia and Bogota. On the south side (City of Itagui) is the city connected with routes coming from the Colombian's north and Caribbean region. Both routes come together in a highway along the river which cross the city from north to south. This has generated several logistic problems in mobility as this causes a high traffic jams the highway. To solve this problem, the city began in 2007 a major master plan called "Centralidades"[11} which defines a specific area in the north and south of the metropolitan area. This 'centralities' is a multifunctional project that consist by transport terminals for cargo and passengers, new metro stations, a regional rail system and several cultural facilities.

Paradoxical to the social urbanism applied to the center and northern of Medellin, is the neglect of the public space in areas with a high economic level located at the southern of Medellin (district "El Poblado" and the municipalities of Envigado and Sabaneta). The residential areas in this part of the city are developed by private and commercial entities and, they do not pay attention to the architectural content of the projects. There is not a real architectural relation between private and public space. Although violence has declined significantly, real estate companies promote housing projects that warrant high levels of security and privacy, while the value of public space is lost and is reduced only to corridors for vehicles and sidewalks. (The car and the urban highway still potent symbol of the city). Therefore, there have arisen large and small commercial projects (shopping malls), which have taken the role of the public space as a meeting point and recreational area, excluding then a large part of the community with low-income to use such places.

The efforts of the community, the city management and architects are admirable. It is a great achievement for a city with a young urban planning history; with the shared aim to position Medellin on the world's map as an entrepreneurial city together with other major cities in the region.

The problems of the city have been too complex to expect that they all would be solved in such a short period of time. The development process of Medellin's metropolitan area continues in the right direction. The results achieved until now make from Medellin a precedent in the urban development of large cities in emerging countries. Architecture not only has transformed Medellin but also, it has changed the architecture practice to a more conscious way to create space.


A list of the most important strategic projects:

  • Línea K Metro Cable en la Comuna Nororiental, spans 2,0 km (2004)
  • Orquideorama del Jardín Botánico, (Architect, Plan B Arquitectos + JPRCR Arquitectos, 2006)
  • La Biblioteca España (Architect, Giancarlo Mazzanti, 2007)
  • El Colegio en Santo Domingo Savio (Architect, Obranegra arquitectos, 2009)
  • El Parque Explora (Architect, Alejandro Echeverri, 2007)
  • Linea J Metro Cable Comuna Occidental, spans 2,9 km (2008)
  • Los reacondicionamientos de los Coliseos para los juegos Sur Americanos (Architect, Giancarlo Mazzanti, 2010)
  • Las piscinas de la Unidad Deportiva Atanasio Girardot (Architect, Paisajes Emergentes, 2010)
  • Parque Biblioteca Pública León de Greiff (Architect, Giancarlo Mazzanti, 2011)

    Pictures: John Drissen. Alcaldia Medellin. Plataforma arquitectura.cl. Flickr.com

    [1] "La Arquitectura ha transformado Medellin"; Jaime Sarmiento | Medellín | Publicado el 21 de mayo de 2011 el colombiano

    [2] The Integral Urban Project (PUI)

    [3] The Land Use Plan (POT)

    [4a] Master Plan for Green zones:

    [4b] Master Plan green Zones

    [5] Metro de Medellin

    [6} Architect Gian Carlo Mazzanti

    {7] Urbanismo Social Medellin 2004-2007. & Mitchell Schwarzer presents four contemporary urbanism: Traditional Urbanism, Conceptual Urbanism, Marketplace Urbanism and Social Urbanism. From Public Places Urban Spaces (2010).

    [8] "La transformacion de Medellin"; El Espectador; * diciembre 2008; por Sergio Fajardo

    [9] Empresa de Desarrollo Urbano del Municipio de Medellin (EDU)

    ,[10] PUI of Comuna 13

    [11] Resultados Concurso Centralidades Area Metropolitana.



    Copyright © 2012 John Drissen. All Rights Reserved.