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At present, generative artificial intelligence (AI) represented by foundation models is driving a profound transformation in transportation cognition and governance paradigms. As the world's largest large-scale and complex transportation system, China's expressway network can no longer be effectively managed through traditional approaches that rely on localized perception and decentralized decision-making. Meanwhile, the development of transportation foundation models across different regions has shown a fragmented pattern in the absence of a unified top-level framework, posing the risk of creating new “intelligent islands.” This paper argues that China's transportation intelligence development urgently requires a paradigm shift from local intelligence to system intelligence. Based on this perspective, the study systematically elaborates on the strategic urgency, top-level architecture, and implementation pathways for building a nationally unified and coordinated AI foundation model system for transportation. In terms of system design, an integrated closed-loop paradigm of perception –cognition-decision-making-execution is proposed as the core framework, supported by a two-level organizational structure of national coordination and provincial implementation, and a layered capability ecosystem characterized by foundation models for cognition and lightweight models for execution. In terms of practical implementation, the paper further proposes three key pathways, that is, establishing institutional foundations through standards-first governance, driving value realization through scenariooriented applications, and fostering innovation through collaborative ecosystem development. This study aims to provide theoretical guidance for the modernization of China's transportation governance capacity and offer policy references for the implementation of the national strategy of building a transportation powerhouse.
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Citation Information:
[1]WENG Mengyong,RAN Bin,TAN Xianfeng ,et al.From localized intelligence to systemic intelligence: strategy and governance architecture for building a large‑scale AI traffic model system for China' s expressways[J].Modern Transportation and Metallurgical Materials,2026(04):1-8.
2026-05-20
2026
2026-07-15