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Metro receives the IRIS certification, granted by AENOR for the Hortaleza-line 4 Depot

15/01/2018

Based on the ISO 9001 Standard, it sets specific requirements for the railway sector.

• This certification accredits the quality and reliability of Metro in managing rolling stock projects.

• Madrid Metro has already received several certifications in the field of quality management, environment, occupational risk prevention and public transport.