Google maps now has Australian Traffic data incorporated.
The data currently only covers the major cities and traffic routes and is updated every few minutes. So now you can really see how bad traffic really is before you get started.
It only took 2 years to reach Australia.  Not really good enough.
If you have a Google Maps [...]

Google Maps now allows you to use route and schedule information from New York’s Metropolitan Transit Authority (MTA).
The new integration enables users to get station and schedule details for every service operator within the MTA network. By using the trip planner feature you can create a transit route across multiple operators and agencies.
The MTA is [...]