U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 23Chapter IPart 420 - PART 420—PLANNING AND RESEARCH PROGRAM ADMINISTRATION
Subpart A [§ 420.101 - § 420.121] - Subpart A—Administration of FHWA Planning and Research Funds
Subpart B [§ 420.201 - § 420.209] - Subpart B—Research, Development and Technology Transfer Program Management
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