The Department of Infrastructure (DOI) was a department of the Government of Victoria, Australia. Created in significant changes to the public service enacted by Jeff Kennett after he was returned as Premier of Victoria at the 1996 state election, the DOI oversaw a variety of functions until its abolition in 2008. It was responsible for transport policy during its entire existence, and consequently played a major role in the related reforms and projects initiated by Kennett and his successors. At different times, it also had responsibility for planning, major projects, local government, energy, communications, and mining.