Länsimetro Oy has been responsible for the overall construction of the West Metro in accordance with the project plan, first from Ruoholahti to Matinkylä, and is responsible for the second phase of construction from, Matinkylä to Kivenlahti. The length of the West Metro’s platforms is determined in accordance with the City of Helsinki’s 2006 decision concerning the automation of the metro. More information can also be found in the FAQ section.

See also This is how the first phase was built