Ethical considerations for autonomous vehicles (AVs) go beyond the “trolley problem” to include such aspects as risk / benefit trade-offs, informed consent, risk responsibility and risk mitigation within a system of systems. In this paper we present a methodology for arguing that the behaviour of a given AV meets desired ethical characteristics. We identify some of the ethical imperatives surrounding the introduction of AVs and consider how decisions made during development can impact the ethics of the AV’s behaviour
