Following the participants roaming across Vienna we tried to keep an eye to the exercise Ruled City. We searched for evidence of norms and rules regulating the interaction of citizens in public space, reflecting on how such a normative aspect is the result of a collaborative social practice rather than the exercise of authority or even repression. From the limited survey done mainly in the central districts, the general impression is that civic rules are hardly challenged and subverted and public life is quite disciplined without an excessive external control. Vienna appears as a strongly disciplined and regulated city, although behavioural codes and procedures seem to be strongly internalised at social level without being redundantly explicated and communicated. Ordnances, indications and bans mainly regard restricting access and uses of public space.