Overview

• The city government selected CRRC Changchun Railway Vehicles for meeting technical requirements and offering the most economically favorable proposal.
• The €301.6 million contract covers 174 zero-kilometre cars to replace 60-year-old Mitsubishi units and two-decade-old CAF 6000 trains.
• First trainsets are scheduled to enter service in the first quarter of 2027 under the oversight of Subterráneos de Buenos Aires (SBASE).
• New cars will feature air conditioning, security cameras, audiovisual passenger information, LED antivandal lighting, longitudinal seating and CBTC signaling compatibility.
• Infrastructure works will raise line voltage from 600 to 1,500 volts and renew tracks and switchgear to support modern operations.