What is the test for determining whether a motor vehicle accident was caused by negligence?

New Brunswick, Canada


The following excerpt is from Cogswell v. Rogers Communications Canada, 2019 NBQB 225 (CanLII):

[14] The general, but not conclusive, test for causation is the “but for” test, which requires the plaintiff to show that the injury would not have occurred but for the negligence of the defendant: Horsley v. MacLaren, 1971 CanLII 24 (SCC), [1972] S.C.R. 441.

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