Madrid Metro completes first phase of automated train tests on Line 6

Technicians have verified the coordinated operation of automated trains, platform doors, and signaling system on the Cuatro Caminos-Lucero section.

Generic image of an empty metro platform with steel tracks curving into the distance under a station canopy, soft daylight, no train or text visible.
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Generic image of an empty metro platform with steel tracks curving into the distance under a station canopy, soft daylight, no train or text visible.

The Community of Madrid has concluded the first phase of automated train tests on Metro Line 6, focusing on the section between Cuatro Caminos and Lucero.

During this initial phase, technicians have verified the coordinated operation of automated trains with platform doors and the signaling system. The second phase of testing is already underway between Arganzuela-Planetario and Ciudad Universitaria, and will later extend to the rest of the Circular Line.
The trials check compliance with circulation rules and the precision of stops at different points. Journeys begin at low speed, gradually increasing to evaluate train performance. Tests are conducted both empty and loaded, using several tons of concrete ballast to simulate an occupancy of four passengers per square meter.
Metro is using five of the 48 trains acquired for line automation, with additional units to be added. Automated circulation is scheduled for March, and from April, the Circular Line will operate 24 hours on weekends. The system will ensure perfect synchronization between train and platform doors.
The installation of barriers on Line 6's 70 platforms will be completed by the end of the year, allowing optimal accessibility, even for wheelchair users, with minimal separation and a gap filler on curves.
In parallel, the Laguna depot is being adapted for the new fleet, and track renewal, electrical adaptation, and signaling system upgrades have been carried out on Line 6. The Central Control Post has also been updated to manage the new automated circulation.
Based on information from the official source: Comunidad de Madrid — Notas de prensa (11/11/2026)