To date, urban research has paid little attention to the role of urban infrastructures in shaping and ordering urban temporalities. I contend that the study of infrastructures offers a powerful lens for understanding the reciprocal relationship changing infrastructural and urban temporalities as well as the power-driven processes of temporal alignment and realignment. Approaching time through the empirical study of infrastructures, I argue, reveals how contemporary infrastructural change is entangled with—often conflicting—orientations to the past, present, and future. At the same time, it uncovers how temporal ordering and reordering processes by socio-technical systems not merely reflect, but also enable, constrain, and preconfigure cont...