CFR›Title 23›Chapter I›Part 420 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 420—PLANNING AND RESEARCH PROGRAM ADMINISTRATION Subparts A Subpart A—Administration of FHWA Planning and Research Funds Sections 420.101–420.121 B Subpart B—Research, Development and Technology Transfer Program Management Sections 420.201–420.209 Authority23 U.S.C. 103(b)(6), 104(f), 115, 120, 133(b), 134(n), 303(g), 505, and 315; and 49 CFR 1.48(b).Source67 FR 47271, July 18, 2002, unless otherwise noted. Previous 260 Part 260—Education and Training Programs Next 450 Part 450—Planning Assistance and Standards