Temporal instability and unobserved heterogeneity of random parameters in single-vehicle crash severity analysis

Single-vehicle crashes account for a large share of U.S. highway crashes and differ from multi-vehicle crashes in factors that may vary over time (temporal instability) and across conditions (unobserved heterogeneity). Using four years (2018–2021) of Illinois state highway crash data, this study app...

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Váldodahkkit:	Lu Wang, Yan Huang, Zongzhi Li
Materiálatiipa:	Artigo
Giella:	Inglês
Almmustuhtton:	Elsevier 2025-11-01
Ráidu:	Transportation Research Interdisciplinary Perspectives
Fáttát:	Single-vehicle crashes Unobserved heterogeneity Temporal instability Random parameter Heterogeneity in means and variances
Liŋkkat:	http://www.sciencedirect.com/science/article/pii/S2590198225004002
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