Our cities are constantly changing. The last 100 years in particular have seen radical conversions, extensions and the development of residual areas in inner cities which have significantly changed urban panoramas. Urban infrastructures play a pivotal role in conversion processes. These include transport routes, supply and disposal services, communication networks and the like, making a modern functioning city possible. In the publication Infrastructure as Architecture, acclaimed authors and planners show why architects’ participation in the design of future urban infrastructures is vital. Theoretical contributions from the fields of economics, ecology, culture, politics, and land use planning investigate the issue from different perspectives. Practical examples and designs provide readers with an exciting glimpse of the future of our cities.