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0-7033: Defining Operational Design Domains (ODDs) for the Safe Blending of Levels 0-4 Connected and Autonomous Vehicles (CAVs) in the Traffic Streams
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2023-05-31
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[PDF-158.29 KB]
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Abstract:Automated vehicles (AVs) present significant potential; yet, their technological maturity and performance remain to be proven. With several deployments underway in the state, it is critical for the Texas Department of Transportation (TxDOT) to provide the public with assurances that the AVs are performing safely in their intended operational environment, the operational design domain (ODD). There is, however, no consensus on how AV safety should be evaluated, what metrics define AV performance, who should oversee the process, or even a common language to facilitate public-private dialogue. This project seeks to address these important questions in order to guide TxDOT in making future regulatory and investment decisions. In the first of two reports, there were three key findings. First, the research team defined a common ODD framework for Texas. Second, the research team identified several roadway environments with early deployments and ten problematic environments for special consideration; ultimately the research recommended two scenarios – forced merge and weaving response in both highway and urban downtown environments – for testing and simulation in the second phase of this project. Finally, the research team engaged a broad network of stakeholders to assist with formulating a safety assessment process that is both business-friendly and ensures public safety. The project culminates in this second report of technical and policy recommendations, enabling TxDOT to improve infrastructure readiness and guide forward-thinking policies.
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