The primary objectives of the GMA is to manage, co-ordinate and oversee the Gautrain Project. To achieve this, the GMA must:
Although the GMA’s primary mandate is to manage and oversee the Concession Agreement for the Gautrain Rapid Rail Link, it also assists the Province of Gauteng and other Organs of State in realising their integrated public transport and rail-related objectives. This includes planning and managing the determination of routes and preliminary design for provincial railway lines in terms of the Gauteng Transport Infrastructure Act (GTIA). In addition, the GMA may perform any other integrated public transport and rail-related duty, right or power that the MEC may delegate to the GMA, in line with the GTIA.
The GMA Board is the foundation of the GMA's corporate governance systems and is accountable and responsible for the GMA's performance. The Board retains effective control through a clear governance structure and has established committees to assist it.
The day-to-day management of the Agency is structured in such a way as to include independent adjudicators and internal auditors to ensure good governance. Other functions in the structure are finance, technical, and legal services, communication and marketing, information and communications technology and corporate services.