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

1. (a) Reviewing, and approving the TTPTIP as well as providing technical assistance to the Tribes during the development of their TTIP or Priority List:
2. (b) Oversight of the NTTFI;
3. (c) Performing quality assurance and validation of NTTFI data updates as needed;
4. (d) Coordinating with States and their political subdivisions and appropriate planning authorities on regionally significant TTP projects;
5. (e) Providing technical assistance to Tribal governments;
6. (f) Developing TTP budgets;
7. (g) Facilitating public involvement;
8. (h) Participating in transportation planning and other transportation-related meetings;
9. (i) Performing quality assurance and validation related to performing traffic studies;
10. (j) Performing preliminary project planning or project identification studies;
11. (k) Conducting special transportation studies;
12. (l) Developing short- and long-range transportation plans;
13. (m) Mapping;
14. (n) Developing and maintaining management systems;
15. (o) Performing transportation planning for operational and maintenance facilities; and
16. (p) Researching rights-of-way documents for project planning.