U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 49Chapter IPart 199Subpart A - Subpart A—General
§ 199.1 - Scope.
§ 199.2 - Applicability.
§ 199.3 - Definitions.
§ 199.5 - DOT procedures.
§ 199.7 - Stand-down waivers.
§ 199.9 - Preemption of State and local laws.
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