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72 Hour Urban Action

72 Hour Urban Action is the world’s first real-time architecture competition, where 10 international teams have 3 days and 3 nights to design and build projects in public space in response to local needs.

The teams design, build, sleep and party on site to generate interventions in public space within an extreme deadline, a tight budget and limited space. 72 Hour Urban Action invites professionals and residents to become active agents of change, from the bottom-up, and to leave a lasting impact on the urban landscape.


72 Hour Urban Action is an upcoming voice in the global movement of participatory tactical urbanism, or as we like to call it, Urban Action.

Urban Action is a civic design practice that involves residents, decision makers and professionals. It harnesses creative thinking and existing resources within a community to rapidly make places. Through the power of temporality and experimentation, it encourages participation and a lasting change of perception. Through an extreme deadline, a tight budget and limited space, Urban Action sets the imagination free to allow for new possibilities and players in public space.

In July 2012, 72 Hour Urban Action is coming to Stuttgart to work together with local cultural activists. The world’s 1st real-time architecture competition will be the kick-off of a series of major urban interventions. All around the site of the largest urban redevelopment in Europe – Stuttgart 21 – the center of a 30 year heated public debate.