Publications

Guide to Road Design Part 4: Intersections and Crossings: General contains guidance that provides road designers and other practitioners with information that is common to the geometric design of all at-grade intersections. It contains information…

The Guide to Road Design Part 4B: Roundabouts provides road designers and other practitioners with guidance on the geometric design of roundabouts. It covers design principles and procedures, and guidelines for all the key elements, thus enabling…

Guide to Road Design Part 4A: Unsignalised and Signalised Intersections provides road designers and other practitioners with guidance on the detailed geometric design of all at-grade intersections (excluding roundabouts). This Part contains…

Guide to Road Design Part 4C: Interchanges provides guidance on the geometric design of interchanges on freeways/motorways and on major arterial roads. The Guide covers the design of interchanges between freeways and arterial roads

Road users are increasingly recognising the value of data for improved mobility and safety. Austroads Cloud Connected Road User (CCRU) project studied how agencies can support cloud-connected road users through data from portable and fixed in-…

Cloud connected road users (CCRUs) are travellers utilising information from portable and fixed in-vehicle devices to assist with trip planning, and warning and advice when travelling. This report examines various cloud connected road user data…

Physical road infrastructure such as pavement markings and signals may have an important role to play to support the uptake of automated vehicles (AVs). Austroads has recently completed a project to provide road agencies with clear advice on…

These reports provide guidance on infrastructure investment to help transport agencies achieve timely, consistent and adequate infrastructure readiness for the operation of current and future automated vehicles. Physical road infrastructure such as…

This report presents an agency business capability model to support connected vehicles. The model defines the required agency business capabilities and associated capability maturity target states from business and technology perspectives. Connected…

Road authorities, practitioners and other stakeholders have identified minor editorial issues within the Austroads Guide to Road Design (GRD) Parts 4, 4A, 4B and 4C that result in possible ambiguity or inconsistency within the Guides to Road Design…