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Author

Dibin Wei

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Aug 2026

Spatiotemporal path analysis of collision frequency using restricted spatial regression with speed difference as a mediator.

Developing reliable collision analysis models is a fundamental task in road safety research. Understanding the spatiotemporal effects of highway collisions is essential for effective prevention and control strategies. This study examines multiple spatiotemporal random effect models using three key approaches: [i] incor...

Changhe Liu, Bo Wang, Chi Zhang et al. · 0 citations
Aug 2026

A multi-scale road segmentation approach to assess MAUP effects on crash frequency and hotspot analysis.

Road traffic crashes remain a major global safety concern, and segment-level crash analysis plays a critical role in identifying high-risk locations. However, such analyses are highly sensitive to spatial unit definitions, giving rise to the Modifiable Areal Unit Problem (MAUP). Existing studies predominantly rely on f...

Dibin Wei, Chi Zhang, Runzhu Luo et al. · 1 citation

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