CFR›Title 49›Subtitle B›Chapter II›Part 210 ContainsSubpart A; Appendices A–B; Subpart BCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 210—RAILROAD NOISE EMISSION COMPLIANCE REGULATIONS Contents A Subpart A—General Provisions Sections 210.1–210.13 Appendix A to Part 210 Appendix A to Part 210—Summary of Noise Standards, 40 CFR Part 201 Appendix B to Part 210 Appendix B to Part 210—Switcher Locomotive Enforcement Policy B Subpart B—Inspection and Testing Sections 210.21–210.33 AuthoritySec. 17, Pub. L. 92-574, 86 Stat. 1234 (42 U.S.C. 4916); 49 CFR 1.89.Source48 FR 56758, Dec. 23, 1983, unless otherwise noted. Previous 209 Part 209—Railroad Safety Enforcement Procedures Next 211 Part 211—Rules of Practice