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 D—Planning, Design, and Construction of Indian Reservation Roads Program Facilities (§170.400 to §170.507) > 170.428—How is the State Transportation Improvement Program related to the IRRTIP?

170.428—How is the State Transportation Improvement Program related to the IRRTIP?

The annual update of the IRRTIP for each State in a BIA regional office's service area should be coordinated with the State transportation agencies. This will ensure that approved IRRTIP updates and amendments are included with the STIP.