Daily traffic jams, discussions whenever a new infrastructure project is launched, the health debate about car emissions the tense relationship between infrastructure and its surroundings becomes clearer to us every day. Infrastructure and urbanism seem to belong to two different worlds. While infrastructure design belongs to the domain of the engineer, urbanism is often part of the overlapping disciplines of architecture, social science, and policy studies. From Flux to Frame sets out to bridge the gap between urban planning and transport history. Maarten Van Acker investigates...