CFR›Title 40›Chapter I›Part 202 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 202—MOTOR CARRIERS ENGAGED IN INTERSTATE COMMERCE Subparts A Subpart A—General Provisions Sections 202.10–202.12 B Subpart B—Interstate Motor Carrier Operations Standards Sections 202.20–202.23 AuthoritySec. 18, 36 Stat. 1249, 42 U.S.C. 4917(a). Previous 201 Part 201—Noise Emission Standards for Transportation Equipment; Interstate Rail Carriers Next 203 Part 203—Low-Noise-Emission Products