With the goal of reducing traffic to sustainable levels without harming the local economy, Pisa decided to introduce a congestion fee for the city center and major traffic roads. Due to the various different necessities of a highly tourist focussed infrastructure, the system for the congestion zone had to be highly variable in configuration covering not only the regulation of basic ingress and egress traffic, but allowing to regulate even time for certain categories of traffic (tourist busses, city logistics, habitants,…).