Austroads: Transport Research and Trends

Author: Austroads

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Update to Austroads Guide to Road Design: Addressing Identified Gaps and Inconsistencies 2
Episode 334
Sunday, 23 August, 2026

This webinar presents the outcomes of Austroads research into intersection sight distance, identifying key gaps, inconsistencies, and opportunities for harmonisation across Australian and New Zealand road design guidance. Drawing on an extensive literature review, international best practice, and stakeholder engagement with jurisdictional experts, the project examined the application of sight distance models at signalised and unsignalised intersections for all road users. The webinar will highlight key findings, including inconsistencies in current design approaches, consideration of different transport modes, and the treatment of signal failure scenarios. It will also outline recommendations for updating Austroads Guide to Road Design Part 4A to improve clarity, consistency, safety outcomes, and practitioner decision-making across the road network.