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There is an active contemporary debate about how emerging technologies such as automated vehicles, peer-to-peer sharing applications and the ‘internet of things’ will revolutionise individual and collective mobility. Indeed, it is argued that the so-called ‘Smart Mobility’ transition, in which these technologies combine to transform how the mobility system is organised and operates, has already begun. As with any socio-technical transition there are critical questions to be posed in terms of how the transition is managed, and how both the benefits and any negative externalities of change will be governed. This paper deploys the notion of ensuring and enhancing public value as a key governance aim for the transition. It sets out modes and methods of governance that could be deployed to steer the transition and, through four thematic cases explores how current mobility governance challenges will change. In particular, changing networks of actors, resources and power, new logics of consumption, and shifts in how mobility is regulated, priced and taxed – will require to be successfully negotiated if public value is to be captured from the transition. This is a critical time for such questions to be raised because technological change is clearly outpacing the capacity of systems and structures of governance to respond to the challenges already apparent. A failure to address both the short and longer-term governance issues risks locking the mobility system into transition paths which exacerbate rather than ameliorate the wider social and environmental problems that have challenged planners throughout the automobility transition. [ABSTRACT FROM AUTHOR]

This paper highlights the extent to which a future mobility system dominated by Connected and Autonomous Vehicles (CAVs) poses profound challenges to the 'publicness' of the transport and mobility systems of many cities. This is evident at different policy levels: the regulatory posture of governments, changing notions of the contributions of mobility to wider 'public value', and the underpinning shared experiences of urban life and citizenship or civitas. There is relatively little discussion of how widespread automation might reduce the 'publicness' of transport systems in terms of the range of mobility opportunities they offer, how changing patterns of mobility across neighbourhoods and social groups will contribute to urban restructuring, and the implications of this for public value and the character or civitas of cities. In particular, we note how the huge expansion in mobility choices made possible by CAVs might lead to circumstances in which the outcome of individuals exercising that choice is to change the nature of urban mobility profoundly. We identify a number of key challenges that policy makers will need to address in managing the introduction of CAVs in their cities, and how using the lens of 'publicness' might help them do so. • We explore how the notion of 'publicness' can contribute to debates on how best to manage and govern the impacts of autonomous mobility • Shared and automated mobility could extend or diminish opportunities for citizens, with multiple ramifications for public interests • Policy makers are under intense pressure from varied interests over how best to regulate and govern automated mobility • We conceptualise publicness as existing at three levels of debate: ownership and regulation, public value, and civitas • Effective policy interventions will be required to achieve 'public' goals at each of these levels [ABSTRACT FROM AUTHOR]