This guide covers railroad law from preemption through corridor disposition. Part One explains the two preemption regimes and why they decide most cases. Part Two covers the safety regulatory framework in detail. Part Three covers grade crossing litigation and the theories that survive. Part Four covers the employee injury system, its causation standard, and the statutes that eliminate defenses. Part Five covers retaliation and labor. Part Six covers economic preemption and its practical reach. Part Seven covers hazardous materials and derailment litigation. Part Eight covers corridors, abandonment, and railbanking, and Part Nine covers investigation, evidence, and procedure.