This document is a comprehensive technical manual published by Austroads that outlines the fundamental principles for designing road intersections and crossings across Australasia. It provides detailed guidance on the geometric layout of at-grade intersections, ensuring that infrastructure safely accommodates various users, including pedestrians, cyclists, and public transport. Key sections focus on the selection of design vehicles, determining appropriate lane widths, and establishing safe property access and median openings. The guide also establishes rigorous standards for lighting and visibility, alongside specific provisions for railway crossings and school-zone safety. Ultimately, these sta ...