It is responsible for maintaining, expanding and operating the statewide road network. In addition to road transport, the department is also responsible for strategic planning and delivery of social and civil infrastructure, marine projects and public transport.
The department also manages policy initiatives and community information for safe road use and travel behaviour. It does this by overseeing regulatory, road safety and policy responsibilities.[3]
Ministers
As of 25 March 2026, the ministers[4] responsible for its operations are:
Minister for Police (with responsibility for road safety)
Key responsibilities
Public transport services
The department manages bus, train and tram services in South Australia. This includes the route design, timetabling and branding of these services. The public transport services are branded as Adelaide Metro, which provides a trip planner and transport service information on its website.[7]
Registration and licensing services
The department manages South Australian registration and licensing transactions for motor vehicles and recreational boating. These services are branded as Service SA.[8]
Major infrastructure projects
The department delivers infrastructure projects and transport improvements for South Australia.
As of 2025[update], some key infrastructure projects[9] include:
↑Office of the Commissioner for Public Sector Employment. "Workplace Information Report 2023–2024"(PDF). Public Sector SA. South Australian Government. Retrieved 3 March 2025.
↑Department for Infrastructure and Transport. "Annual Report 2023–2024". Department for Infrastructure and Transport. Government of South Australia. Retrieved 3 March 2025.
↑"About us". Department for Infrastructure and Transport. Retrieved 20 March 2025.
↑"The team". Premier of South Australia. Retrieved 26 March 2026.
↑"Joe Szakacs MP". Premier of South Australia. Retrieved 26 March 2026.