Dubai’s Roads and Transport Authority (RTA), in collaboration with Keolis MHI, the operator of Dubai Metro and Tram, has completed a comprehensive overhaul of ventilation and air-conditioning systems on 62 Dubai Metro trains as part of its ongoing asset management and preventive maintenance strategy.

The initiative is designed to improve the efficiency and reliability of critical systems while extending the operational lifespan of metro The initiative is designed to improve the efficiency and reliability of critical systems while extending the operational lifespan of metro assets and ensuring a safe and comfortable travel experience for passengers.The maintenance programme included detailed inspections of HVAC components, replacement of parts that had reached the end of their service life, and extensive performance testing to enhance cooling efficiency, reduce recurring faults, and improve long-term system reliability.According to the RTA, the project is a key preventive maintenance initiative that strengthens fleet readiness, particularly during the summer season when cooling systems operate under higher demand.All maintenance work was carried out in line with international railway standards and scheduled outside peak operating hours to ensure uninterrupted metro services without affecting train schedules or passenger convenience.