Department for Infrastructure and Transport

This article is about the South Australian government department. For the former federal government department, see Department of Infrastructure and Transport.

The Department for Infrastructure and Transport (DIT) is a department of the Government of South Australia.

Department for Infrastructure and Transport

Department overview
Formed	7 August 2020
Preceding agencies	Department of Planning, Transport and Infrastructure Department for Transport, Energy and Infrastructure Department of Transport and Urban Planning Department for Transport, Urban Planning and the Arts
Jurisdiction	Government of South Australia
Headquarters	83 Pirie Street, Adelaide
Employees	2,281 (2024)[1]
Annual budget	A$2.05 billion (2023–2024)[2]
Ministers responsible	The Hon. Tom Koutsantonis MP, Minister for Infrastructure and Transport The Hon. Stephen Mullighan MP, Minister for Police
Department executive	Jon Whelan, Chief Executive
Website	www.dit.sa.gov.au

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 at February 2025, the ministers responsible^[4] for its operations are:

Minister	Party	Portfolio
Tom Koutsantonis[5]	Labor	Minister for Infrastructure and Transport
Stephen Mullighan[6]	Labor	Minister for Police

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:

• North-South Corridor (River Torrens to Darlington – T2D)^[10]
• Fleurieu Connections (Main South Road and Victor Harbor Road duplication)^[11]
• Northern Water (Spencer Gulf seawater desalination plant)^[12]
• Southern Expressway (Majors Road Interchange)^[13]
• Freight Highway Upgrade Program
• Tram Grade Separation Projects^[14]