Lately, there has been a tendency in academia to call for more interdisciplinary research on sustainable mobility. However, there is a lack of empirical research on practiced interdisciplinarity. This paper seeks to address this by exploring the practices of an intended interdisciplinary doctoral research group. Specifically, it presents the study of a collaborative autoethnography using individual vignettes and qualitative data analysis. The results classify the identified interdisciplinary practices into three main categories: Interactions, productive processes, and negotiation processes, where interactions serve as a carrier for negotiation and productive processes. This also uncovers advantages and challenges associated with these interactions. Furthermore, the analysis reveals intersubjectivity as an important component of the infrastructure of interdisciplinarity involved in both processes. Finally, we call for a reevaluation of the hierarchical thinking about the different levels of interdisciplinarity, going from disciplinary to multidisciplinary to interdisciplinary to transdisciplinary research. We conclude that for interdisciplinarity to happen in practice, it requires having a combination of various disciplines, ontologies, and a common “wicked” problem to solve. We also find that developing an interdisciplinary research environment requires researchers to embark on a shared journey of reaching a higher level of intersubjectivity through continuous interactions and discussions, while also negotiating conflicts.

Wayfinding in spatially complex public transit environments poses unique navigational challenges. Transfers, delays, barriers, and user capacity all influence the usability of a system. Because of the smartphone, how we navigate through these systems, and interact with the surrounding environment, is changing. The smartphone provides a spatio-temporal strategy that removes the reliance on our immediate environment and personalizes the wayfinding process -- unlike that of transit schedules, signs, and maps. How does smartphone usage influence performance and the wayfinding experience? This paper looks at smartphone usage of twelve participants through a shadowed commented walk, known as a Destination-Task Investigation, in Munich’s public transit system.  The study provides insights into the role and the influence of smartphones during the wayfinding process. Furthermore, it shows that Apps providing integrated spatio-temporal information, such as Google, were used most frequently, especially for confirmation during navigation.

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