Answer the following question: The Bem 550 is a standard gauge EMU operated by Swiss Federal Railways on the Geneva - Bellegarde line. It is equipped to run with French electric power (1500DC) and signaling systems. They were built in 1994 based on the Lausanne metro line 1 EMUs by ACMV (Ateliers de Constructions Mecaniques de Vevey) in Villeneuve with electrical equipment provided by ABB. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Mean Of Transportation