CFR›Title 49›Subtitle B›Chapter X›49 CFR Part 1146 Citation49 CFR Part 1146ContainsSections 1146.1–1146.2CorpusDaily eCFRDisplayed edition2026-07-02Last updated2026-07-02 PART 1146—EXPEDITED RELIEF FOR SERVICE EMERGENCIES Sections 1146.1 § 1146.1 Prescription of alternative rail service or directed action by an incumbent carrier. 1146.2 § 1146.2 Accelerated process. Authority49 U.S.C. 1321, 11101, and 11123. Previous 1145 Part 1145—Reciprocal Switching for Inadequate Service Next 1147 Part 1147—Temporary Relief Under 49 U.S.C. 10705 and 11102 for Service Inadequacies