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State Transportation Improvement Program (STIP)

Incorporating the TTPTIP into the STIP

The TTPTIP is a financially constrained compilation of all Tribal Governments' TTIP projects organized by year, State, and Tribe. It may also include projects and activities funded with funding sources other than the TTP funds (25 CFR 170.422). As outlined in 25 CFR 170.426, the approval process for the TTPTIP is as follows:

A TTIP flow chart.

A TTIP and STIP flowchart.1. The BIA Regional Office and FHWA work together to review and concur on the TTPTIPs and forward to the Secretaries for review and approval.

2. Once approved, copies of the approved TTPTIP are made available back to the FHWA, BIA Regional Offices, and Tribal Governments.

3. FHWA provides copies of the approved TTPTIP to the FHWA Division Office in each State for transmittal to the State Departments of Transportation for inclusion in the State Transportation Improvement Program (STIP).


Updated: Monday, August 9, 2021

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For Additional Information

Dana Reinke
Transportation Planning Specialist
Office of Tribal Transportation
Federal Highway Administration, USDOT
1200 New Jersey Avenue, SE
Washington, DC 20590
United States
Phone: 517-899-9753
Business Hours:
8:00am-5:00pm ET, M-F