CFR > Title 25 - Indians > CHAPTER I—BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR > SUBCHAPTER H—LAND AND WATER (parts 150 to 183) > PART 170—INDIAN RESERVATION ROADS PROGRAM > SUBPART C—Indian Reservation Roads Program Funding (§170.200 to §170.303) > 170.223—What is the Relative Need Distribution Factor (RNDF)?

170.223—What is the Relative Need Distribution Factor (RNDF)?

The Relative Need Distribution Factor (RNDF) is a mathematical formula used for distributing the IRR Program construction funds. The RNDF is derived from a combination of the cost to construct, vehicle miles traveled, and population. Appendix C to subpart C explains how the RNDF is derived and applied.