Takeover performance evaluation using driving simulation: a systematic review and meta-analysis

Soares, Sónia; Lobo, António; Ferreira, Sara; Cunha, Liliana; Couto, António · 2021 · European Transport Research Review

DOI: 10.1186/s12544-021-00505-2

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Summary

This paper presents a systematic review and meta-analysis of driver takeover performance during automated driving, addressing the critical safety challenge of resuming manual control after periods of automation. Motivated by the transition toward higher automation levels (L2–L3) and the need to understand human-machine coordination, the study aims to synthesize existing research on takeover strategies, experimental conditions, and outcomes. The authors seek to determine whether specific experimental setups, such as simulator fidelity or secondary task engagement, significantly influence takeover metrics like reaction time and crash rates. The methodology followed PRISMA guidelines, screening databases including Web of Science, Scopus, and TRID for studies published between 2015 and 2020. After rigorous filtering, 36 relevant papers were selected for detailed analysis. The review categorized studies based on automation levels, non-driving-related tasks (NDRTs), takeover scenarios, and performance measures. A meta-analysis employed PAM clustering and ANOVA techniques to identify patterns among experimental conditions and assess their impact on takeover performance. The descriptive analysis highlighted that most studies focused on L2 and L3 automation, utilizing various NDRTs such as gaming, reading, or n-back tasks, and scenarios involving lane obstructions, lead-vehicle braking, or system failures. Key findings indicate that less complex experiments, characterized by the absence of secondary task engagement and the use of low-fidelity simulators, are associated with lower takeover times and reduced crash rates. The analysis revealed that takeover time increases with the time budget of the first alert, as longer warning periods reduce the pressure for immediate driver intervention. Additionally, the type of automation failure influenced performance; drivers performed better in system-limit failures (predictable boundaries) compared to system malfunctions (unforeseen errors), exhibiting shorter takeover times and higher situational awareness in the former. Visual distractions, particularly those involving handheld devices, were found to significantly degrade takeover performance compared to auditory or mounted tasks. The study concludes that experimental design choices profoundly affect takeover outcomes, suggesting that low-fidelity simulations without secondary tasks may underestimate real-world risks. The findings provide a framework for future research, emphasizing the need to account for task complexity and alert timing when evaluating automated vehicle safety. By identifying patterns in experimental conditions, the paper offers guidance for designing more realistic and rigorous studies to ensure the safe integration of automated vehicles into public road environments.

Key finding

Less complex experiments without secondary task engagement and conducted in low-fidelity simulators are associated with lower takeover times and crash rates, while takeover time increases with the time budget of the first alert.

Methodology

meta_analysis

Sample size: 36

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discover success author_sweep 2 2026-05-28
archive success canonical_url 1 2026-06-04
extract success cached 3 2026-06-10
clean success clean 1 2026-06-04
chunk success chunk 1 2026-06-04
embed success embed Qwen/Qwen3-Embedding-8B 1 2026-06-04
enrich success 1 2026-05-28
promote success 1 2026-06-04
summarize success llm qwen3.6-27b-prismaquant summ-v5 2 2026-06-10
tag success vector_similarity 15 2026-06-11
verify success 2 2026-06-10

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