INFRASTRUCTURE projects are often subject to political aspirations. But when they are not realised as promised or their costs multiply over the years, the projects turn into public controversies. After a while, the aspirations, promises and controversies settle as the infrastructure system becomes an integral part of the environment and society. Dar es Salaam Bus Rapid Transit is such a project. It was planned to improve urban transport by gradually replacing minibuses in Tanzania’s largest city. Author MALVE JACOBSEN, Post-doctoral researcher, Johannes Gutenberg University of Mainz Various challenges, like unclear construction plans, residents’ protests and unexpected costs, led to several…