170.421—What is the Tribal Transportation Improvement Program (TTIP)?
The TTIP:
(b)
Must contain all IRR Program funded projects programmed for construction in the next 3 to 5 years;
(c)
Must identify the implementation year of each project scheduled to begin within the next 3 to 5 years;
(d)
May include other Federal, State, county, and municipal, transportation projects initiated by or developed in cooperation with the tribal government;
(g)
Must be forwarded to BIA by resolution or by tribally authorized government action for inclusion into the IRRTIP.