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.