Evolution of Lane-Changing Behavior in Mixed Traffic: A Quantum Game Theory Approach

• URL: http://arxiv.org/abs/2604.19813v1
• Date: Fri, 17 Apr 2026 02:14:38 GMT
• Title: Evolution of Lane-Changing Behavior in Mixed Traffic: A Quantum Game Theory Approach
• Abstract summary: As automated vehicles enter mixed traffic, proactively anticipating the evolution of human driving behavior during critical interactions is essential.<n>This study introduces a Quantum Game Theory (QGT) framework to capture the complexity of human decision-making during lane changes.
• Score: 2.992389186393994
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: As automated vehicles (AVs) enter mixed traffic, proactively anticipating the evolution of human driving behavior during critical interactions, such as lane changes, is essential. However, classical Evolutionary Game Theory (EGT) fails to capture the complexity of human decision-making during lane changes. Specifically, by strictly assuming independence between agents, classical models calibrated on empirical payoffs predict a convergence to unrealistic full cooperation, contradicting the stable 42% cooperation rate observed in real-world data. To resolve this discrepancy, this study introduces a Quantum Game Theory (QGT) framework. We analyze 7,636 lane-changing interactions from the Waymo Open Motion Dataset (WOMD) to derive empirical payoff matrices via a Quantal Response Equilibrium (QRE) model. Utilizing the Marinatto-Weber (MW) quantization scheme, we introduce an entanglement parameter to mathematically embed latent correlations directly into the payoff structure of a single interaction. Our results identify a human entanglement parameter of $|b|^2_{HDV} \approx 0.52$ that accurately reproduces the observed mixed equilibrium. Furthermore, simulations of three AV deployment strategies (classical, entangled, and inverted) reveal that human adaptation depends critically on the underlying AV algorithm: while cooperative classical AVs maximize system-wide cooperation at high market penetration rates, defective inverted AVs paradoxically yield higher overall cooperation at low penetration rates by prompting more cooperative behaviors from human drivers. Consequently, rather than waiting for large scale deployment to observe these effects, stakeholders can utilize this framework to simulate repeated interactions and proactively anticipate how human driver behavior will evolve in response to specific AV software designs.

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