As our ground transportation infrastructure modernizes, the large amount of data being
measured, transmitted, and stored motivates an analysis of the privacy aspect of these
emerging cyber-physical technologies. In this paper, we consider privacy in the routing
game, where the origins and destinations of drivers are considered private. This is motivated
by the fact that this spatiotemporal information can easily be used as the basis for inferences
for a person's activities. More specifically, we consider the differential privacy of the mapping …