The intelligibility of mobile trajectories: walking in public space

This paper deals with practices of personal mobility in public space, such as walking, passing-by and queuing, and their intelligible, recognizable and intersubjectively coordinated character. People co-exist in public places without having to explain their conduct in so-many-words; they smoothly navigate by coordinating their bodies and mobile trajectories without collisions; they queue without any instructions and differentiate between who joins the queue and who projects to butt in the queue. This article addresses the intelligibility of walking trajectories in public space, how they are bodily achieved and visibly interpreted. It reflects on mobility by relying on the notion of public in two different but complementary perspectives: a) by reference to mobility in the context of public places such as parks, squares, and streets; b) by reference to the public intelligibility and recognizability of mobile actions in social interaction. The convergence between these two notions of public enables us to investigate how mobile social actions are formed (made recognizable) and how they are ascribed (actually recognized) by co-present unacquainted persons in public space. The analysis draws on video recordings of mobile trajectories in streets, pathways, and squares.