Skip to main content
25 CFR § 170.446Chapter I

What minimum attachments are required for an NTTFI submission?

Primary source

Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

Full Text

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.

eCFR data current as of: November 5, 2026

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.