25 CFR 170.454
§ 170.454 What design standards are used in the TTP?
United States · 25 CFR — Indians · Status: effective
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- Citation
- 25 CFR 170.454, § 170.454 What design standards are used in the TTP?, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/106141
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Full text
(a) Depending on the nature of the project, Tribes must use appropriate design standards approved by FHWA. Appendix B to this subpart as well as the official Tribal Transportation Program Guide list the applicable design standards that can be used.
(b) All other design standards not listed in (a) must receive approval from FHWA.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.