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ISO 14001: 2015 Certification on Environmental Management

ISO 14001: 2015

This certification refers to the integrated system, based on which the companies implement their environmental management agenda and comply with current national and European legislation regulations. The certification concerns both companies.

ISO 50001: 2011 Certification for Energy Management Systems

ISO 50001

This certification concerns the development and implementation of an energy policy and the establishment of objectives, targets and plan of actions. The aim is to improve energy efficiency, taking into account energy use, consumption and efficiency. The certification concerns both companies.

OHSAS 18001: 2007 Certification on Employees Health and Safety Management


The certification to OHSAS 18001: 2007 refers to the implementation of the employees’ health and safety management and validates the continuous improvement of workplace environment, prevention and elimination of occupational risks. The certification concerns both companies.

ISO 9001: 2015 Certification on Quality Management System

This certification refers to the implementation of an integrated quality management system, aimed at providing high-quality services & efficient project management. The certification concerns only “Attikes Diadromes S.A.”


ISO 39001: 2012 Certification for the Road Traffic Safety Management System

The operation company of Attica Tollway, “Attikes Diadromes S.A.”, was the first among all relevant entities in Europe to acquire the Certification of Motorway Operator in line with ISO 39001:2012 by TÜV HELLAS.

With the Certification of the Road Traffic Safety System that it implements, the company “Attikes Diadromes S.A.” proves its leadership and expertise in the management of Road Safety. The company acknowledges that one of its main considerations for the provision of its services is the driver and its vehicle. The Road Traffic Safety System mainly focuses on the application of the policy and the procedures of Road Safety aiming at the elimination of any type of road incident involving either the personnel of the company or the users of the motorway who are affected by the company’s operations.