The Round Table addressed the broad question of what research and experience tell us about how to arrive at a successful introduction of congestion charging schemes. Attention was limited mostly to urbanized areas where road traffic congestion is or may become an issue. “Success” means (a) that a policy is implemented, (b) that it works, (c) that it is accepted by actual and potential users, and (d) that it generates benefits for society overall. In order to shed light on these dimensions of success, lessons are drawn from more and less successful attempts to implement charges. In addition, we ask if and how the evolving understanding of the economics of road traffic congestion charging might affect the assessment of congestion charging policy. The…