Pat Martin, Nullarbor grader (ENTRIES CLOSED - September theme: Wheels)

These are some of the wheels that made road travel across the Nullarbor possible, beginning in 1941/2. Today known as the Eyre Highway, it includes Australia's longest straight stretch of road, measuring 146.6 kilometres without a single turn.

Images have been resized for web display, which may cause some loss of image quality. Note: Original high-resolution images are used for judging.