Coverage-Guided Road Selection and Prioritization for Efficient Testing in Autonomous Driving Systems

• URL: http://arxiv.org/abs/2601.08609v1
• Date: Tue, 13 Jan 2026 14:55:27 GMT
• Title: Coverage-Guided Road Selection and Prioritization for Efficient Testing in Autonomous Driving Systems
• Authors: Qurban Ali, Andrea Stocco, Leonardo Mariani, Oliviero Riganelli,
• Abstract summary: We present a novel test prioritization framework for Autonomous Driving Assistance Systems.<n>Road scenarios are clustered based on geometric and dynamic features of the ADAS driving behavior.<n>Roads are finally prioritized based on geometric complexity, driving difficulty, and historical failures.
• Score: 5.135101504532172
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Autonomous Driving Assistance Systems (ADAS) rely on extensive testing to ensure safety and reliability, yet road scenario datasets often contain redundant cases that slow down the testing process without improving fault detection. To address this issue, we present a novel test prioritization framework that reduces redundancy while preserving geometric and behavioral diversity. Road scenarios are clustered based on geometric and dynamic features of the ADAS driving behavior, from which representative cases are selected to guarantee coverage. Roads are finally prioritized based on geometric complexity, driving difficulty, and historical failures, ensuring that the most critical and challenging tests are executed first. We evaluate our framework on the OPENCAT dataset and the Udacity self-driving car simulator using two ADAS models. On average, our approach achieves an 89% reduction in test suite size while retaining an average of 79% of failed road scenarios. The prioritization strategy improves early failure detection by up to 95x compared to random baselines.

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