The minimum attachments required for a facility to be added into the NTTFI include the following.
(a) A long-range transportation plan.
(b) A Tribal resolution or official authorization that refers to all route numbers, names, locations, lengths, construction needs, and ownerships.
(c) A Strip map. See § 170.5.
(d) Average Daily Traffic (ADT) documentation.
(e) A typical or representative section photo or bridge profile photo.
(f) Incidental cost verification.
(g) Acknowledgement of Public Authority responsibility.
(h) For proposed roads, see § 170.443 for additional required attachments. Please see the TTP Coding Guide for additional information on the NTTFI minimum attachments.