How much is spent on the construction of roads in each state, at all levels of government? This FACT indicates the total road expenditure of all levels of Government (in millions of dollars) in each Australian state and territory. The state with the highest amount is New South Wales at A$8875.0 million. The state/territory with the lowest is the Australian Capital Territory at A$151.0 million. Suffice to say that the vast size difference of these states plays a significant role.