---
kind: "section"
citation: "25 C.F.R. § 170.470"
title: "25"
number: "170.470"
heading: "Which construction standards must Tribes use?"
url: "https://uscodex.org/cfr/25/170.470"
---

# §170.470. Which construction standards must Tribes use?

- (a) Tribes must either:
  - (1) Use the approved standards referred to in [§ 170.454](/cfr/25/170.454.md); or
  - (2) Request approval for any other road and highway bridge construction standards that are consistent with or exceed the standards referred to in [§ 170.454](/cfr/25/170.454.md).
- (b) For designing and building eligible intermodal projects funded by the TTP, Tribes must use either:
  - (1) Nationally recognized standards for comparable projects; or
  - (2) Tribally adopted standards that meet or exceed nationally recognized standards for comparable projects.

## Notes

### Authority

Authority: Pub. L. 112-141, Pub. L. 114-94; 5 U.S.C. 2; 23 U.S.C. 201, 202; 25 U.S.C. 2, 9.

### Source

Source: 81 FR 78463, Nov. 7, 2016, unless otherwise noted.
