Uilo Rapid Metro System

The Uilo Rapid Metro System, branded as the Uilo Metro (Finnish: Uilon metro), is a medium-capacity rapid transit system in the city of Uilo, Arola. The first stage of the system, the City Line (Line M2) project, opened on August 5, 2022 with 8 stations. Upon its opening, it became the northernmost metro system in the world, taking the title from the which opened 40 years earlier.

A rail system in Uilo has been the subject of debate since the 1990s, when the city was gaining immense economic growth. The project was finally approved by the City of Uilo in 2008, following the completion of Kelvia light rail. Future plans for the system include two more lines that will expand the system into the inner suburbs and outskirts of the city.