Welcome to the Proceedings of the 2025 8th International Conference on Traffic Transportation and Civil Architecture (ICTTCA 2025). In the face of accelerating global urbanization and infrastructure renewal, contemporary cities are increasingly confronted with multifaceted challenges in traffic systems, built environments, and sustainable development. These dynamics have heightened the demand for innovative, resilient, and intelligent solutions in traffic transportation and civil architecture. Against this backdrop, the 2025 8th International Conference on Traffic Transportation and Civil Architecture (ICTTCA 2025) was convened to provide a high-level academic platform for researchers, engineers, and practitioners to engage in in-depth dialogue, share frontier developments, and foster cross-disciplinary collaboration. The academic scope of the conference encompassed a broad spectrum of topics, including intelligent transportation systems, structural engineering, urban sustainability, geotechnical resilience, and the digitalization of infrastructure management.

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