U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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All TitlesTitle 25Chapter IPart 170Subpart C - Subpart C—Tribal Transportation Program Funding
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All TTP funds provided to Tribes can be expended only on eligible projects and activities identified in § 170.111 and included in an FHWA-approved TIP per 23 U.S.C. 202(b)(4)(B).