Final answer:
The Birdsville Track runs through Queensland and South Australia, providing a historic route through the Australian outback.
Step-by-step explanation:
The Birdsville Track is a famous outback road in Australia. The correct answer to the question through which two states does the Birdsville Track run is Queensland and South Australia. This track is a historic route that was traditionally used to drive cattle from the ranches in Queensland down to the railheads in South Australia. Now, it serves as an iconic journey for adventure travelers wanting to experience the remote Australian outback.