25 CFR § 170.401 - What are BIA's and FHWA's roles in transportation planning?

---
identifier: "/us/cfr/t25/s170.401"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "25 CFR § 170.401 - What are BIA's and FHWA's roles in transportation planning?"
title_number: 25
title_name: "Indians"
section_number: "170.401"
section_name: "What are BIA's and FHWA's roles in transportation planning?"
chapter_name: "BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR"
subchapter_number: "H"
subchapter_name: "LAND AND WATER"
part_number: "170"
part_name: "TRIBAL TRANSPORTATION PROGRAM"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
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."
regulatory_source: "81 FR 78463, Nov. 7, 2016, unless otherwise noted."
cfr_part: "170"
---


# 170.401 What are BIA's and FHWA's roles in transportation planning?

Except as provided in § 170.402, the functions and activities that BIA and/or FHWA must perform for the TTP transportation planning are:

(a) Reviewing, and approving the TTPTIP as well as providing technical assistance to the Tribes during the development of their TTIP or Priority List:

(b) Oversight of the NTTFI;

(c) Performing quality assurance and validation of NTTFI data updates as needed;

(d) Coordinating with States and their political subdivisions and appropriate planning authorities on regionally significant TTP projects;

(e) Providing technical assistance to Tribal governments;

(f) Developing TTP budgets;

(g) Facilitating public involvement;

(h) Participating in transportation planning and other transportation-related meetings;

(i) Performing quality assurance and validation related to performing traffic studies;

(j) Performing preliminary project planning or project identification studies;

(k) Conducting special transportation studies;

(l) Developing short- and long-range transportation plans;

(m) Mapping;

(n) Developing and maintaining management systems;

(o) Performing transportation planning for operational and maintenance facilities; and

(p) Researching rights-of-way documents for project planning.