I'm posting this out more for interests sake this week, because when I came across it, it just took me with alot of interest, given the debate about tolls in Sydney to access roads.
I recall as a kid during the 1990's that it cost about $2 to cross the Sydney Harbour Bridge (or tunnel) which to many seemed like a small fortune.
That is pretty good compared to three dollars that the Griener Government was proposing as a way of reducing air pollution in Sydney which was still causing headaches to all.
It was not until 2002 that the toll was increased to $3. There was an increase from $2 to $2.20 in 2000 due to the introduction of the Goods and Services Tax.
The toll is still $3 if you travel between 9:30am and 4pm on weekdays, and rises to $4 during peak periods (as a means of trying to reduce traffic flow). However, travel late at night or on weekends and you now pay a nice $2.50.
Source: Worthington, J. 1991. "Harbor Bridge $3 Toll Tipped". The Daily Telegraph, November 12: 7.