Final answer:
Palsgraf v. Long Island Railroad is a landmark case in tort law that delves into the concepts of negligence and proximate cause.
Explanation:
Palsgraf v. Long Island Railroad does not establish rules directly related to commuter train travel but is a significant case in the realm of tort law. The case focused on the principles of negligence and proximate cause, determining the scope of liability based on foreseeability of harm. The judgment in this case had a lasting impact on the development of tort law in the United States.
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