本文通过描述伦敦交通拥挤收费制的起源以及现实中如何克服理论和实践层面的两难实施过程,对道路收费所引致的各种效应进行了论证。作者认为伦敦交通拥挤收费制的引入,应该归功于经济学的贡献,道路定价行动在克服交通拥挤的外部性上,不过是一种应对公众和政治利益诉求的适宜性政策回应。 By describing the origin of the congestion toll system in London and how to overcome the dilemmas at the theoretical and practical levels in reality, this article demonstrates the various effects caused by toll collection. The author argues that the introduction of congestion pricing in London should be attributed to the contribution of economics. The pricing of roads is a suitable response to the demands of the public and political interests in overcoming the externality of traffic congestion.