25 CFR 170.421 - What is the Tribal Transportation Improvement Program (TTIP)?
(a) Must be consistent with the tribal long-range transportation plan;
(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;
(e) Will be reviewed and updated as necessary by the tribal government;
(f) Can be changed only by the tribal government; and
(g) Must be forwarded to BIA by resolution or by tribally authorized government action for inclusion into the IRRTIP.