How would you design a testing protocol to evaluate the safety and reliability of an autonomous driving system?

Instruction: Outline key components and stages of the testing protocol.

Context: This question tests the candidate's ability to systematically approach the validation and verification of complex systems, emphasizing their knowledge in safety standards and testing methodologies.

Updated

Example Answer

I would define the operating domain, hazards and acceptance criteria before selecting test methods. Combine simulation, replay, component tests, fault injection and controlled physical testing, with evidence for perception, planning, control and fallback. Public-road stages require appropriate authorization and readiness review; passing an earlier stage does not prove safety. Remote assistance also needs a clear role and cannot be assumed available for immediate control. Keep traceable failures, versioned artifacts and independent release decisions.

Make it your own

Illustrative test matrix: scenario/hazard, environment limits, system version, expected behavior, failure criteria, evidence and unresolved risk. Include network loss and common-cause sensor faults.

Why this works

Testing builds bounded evidence instead of certifying universal capability by progression alone. Follow-up: what result should block expanding the operating domain?

Sources: NHTSA ADS safety guidance, NHTSA vehicle cybersecurity practices.

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