This paper is marked retracted in the scholarly record (OpenAlex). Interpret its findings with caution.
Retraction: Urban transportation system toughness assessment under New Crown epidemics

Abstract
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
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TopicsSafety and Risk Management
The PLOS One Editors retract this article [1] due to concerns about:
All authors either did not respond directly or could not be reached.
The reference list from the paper itself. Each links out to its DOI / PubMed record.
