The introduction of a fee to manage mobility is widely used by many governments to mitigate the social costs. These costs occur when the demand exceed the road capacity. Moreover, in order to reduce congestion, the fee can generate revenues for strengthening public transport, create infrastructure and implement innovations that improve the mobility of the inhabitants. This article aims to identify the different theoretical, technological and practical aspects also including the opponents of this policy that implies the adoption of this type of solutions to manage the mobility problems in congested urban roads.