This document provides a comprehensive framework for road design in Australia and New Zealand, serving as a foundational guide for the Austroads member agencies. It outlines the Safe System approach, which prioritises human life by creating "forgiving" road environments that account for user error to prevent fatalities. The text details various design domains, distinguishing between normal standards and extended parameters used in constrained project sites. Extensive technical guidance is provided on geotechnical investigations, covering soil testing, groundwater management, and the use of sustainable or recycled materials. Additionally, the source addresses legal liability for engineers, the necessity of  ...