If you're travelling interstate, working out the most cost effective transport method can be tricky -- do you grab a taxi from Sydney airport or take the train? Is the skybus your best bet in Melbourne or regular buses? This infographic lists the cheapest, fastest and most luxurious transport options for Australia's eight major airports.
The below infographic comes from the accommodation site HotelClub. It shows how to get from the airport to the CBD in all major cities around Australia. In addition to listing the cheapest travel method for each state, there are options for luxury and time-strapped travellers too. Handily, the graph includes estimated journey time which will be particularly useful when planning your return journey.