Code of Federal Regulations > Title 25 > Chapter I > Part 170 > Subpart E - Subpart E—Service Delivery for Tribal Transportation Program

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Apr 17, 2026

FUNDING PROCESS

§ 170.600 - What must BIA include in the notice of funds availability?

§ 170.602 - If a Tribe incurs unforeseen construction costs, can it get additional funds?

MISCELLANEOUS PROVISIONS

§ 170.605 - May BIA or FHWA use force-account methods in the TTP?

§ 170.606 - How do legislation and procurement requirements affect the TTP?

§ 170.607 - Can a Tribe use its allocation of TTP funds for contract support costs?

§ 170.608 - Can a Tribe pay contract support costs from DOI or BIA appropriations?

§ 170.609 - Can a Tribe receive additional TTP funds for start-up activities?

CONTRACTS AND AGREEMENTS

§ 170.610 - Which TTP functions may a Tribe assume?

§ 170.611 - What special provisions apply to ISDEAA contracts and agreements?

§ 170.612 - Can non-contractible functions and activities be included in contracts or agreements?

§ 170.613 - What funds are used to pay for non-contractible functions and activities?

§ 170.614 - Can a Tribe receive funds before BIA publishes the final notice of funding availability?

§ 170.615 - Can a Tribe receive advance payments for non-construction activities under the TTP?

§ 170.616 - How are payments made to Tribes if additional funds are available?

§ 170.617 - May a Tribe include a contingency in its proposal budget?

§ 170.618 - Can a Tribe keep savings resulting from project administration?

§ 170.619 - Do Tribal preference and Indian preference apply to TTP funding?

§ 170.620 - How do ISDEAA's Indian preference provisions apply?

§ 170.621 - What if a Tribe doesn't perform work under a contract or agreement?

§ 170.622 - What TTP functions, services, and activities are subject to the self-governance construction regulations?

§ 170.623 - How are TTP projects and activities included in a self-governance agreement?

§ 170.624 - Is technical assistance available?

§ 170.625 - What regulations apply to waivers?

§ 170.626 - How does a Tribe request a waiver of a Department of Transportation regulation?

§ 170.627 - Can non-TTP funds be provided to a Tribe through an FHWA Program Agreement, BIA TTP Agreement or other appropriate agreement?

Appendix Appendix to - Appendix to Subpart E of Part 170—List of Program Functions That Cannot Be Subcontracted