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Title 25

Displaying title 25, up to date as of 10/02/2026. Title 25 was last amended 12/01/2025.
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Title 25IndiansPart / Section
Chapter IBureau of Indian Affairs, Department of the Interior1 – 299
Subchapter HLand and Water150 – 183
Part 170Tribal Transportation Program170.1 – 170.942
Subpart BTribal Transportation Program Policy and Eligibility170.100 – 170.138
Consultation, Collaboration, Coordination170.100 – 170.110
§ 170.100What do the terms “consultation,” “collaboration,” and “coordination” mean?
§ 170.101What is the TTP consultation and coordination policy?
§ 170.102What goals and principles guide program implementation?
§ 170.103Is consultation with Tribal governments required before obligating TTP funds for direct service activities?
§ 170.104Are funds available for consultation, collaboration, and coordination activities?
§ 170.105When must State governments consult with Tribes?
§ 170.106Should planning organizations and local governments consult with Tribes when planning for transportation projects?
§ 170.107Should Tribes and BIA consult with planning organizations and local governments in developing projects?
§ 170.108How do the Secretaries prevent discrimination or adverse impacts?
§ 170.109How can State and local governments prevent discrimination or adverse impacts?
§ 170.110What if discrimination or adverse impacts occur?
Eligible Uses of TTP Funds170.111 – 170.113
§ 170.111What activities may be carried out using TTP funds?
§ 170.112What activities are not eligible for TTP funding?
§ 170.113How can a Tribe determine whether a new use of funds is allowable?
Use of TTP and Cultural Site or Area Entry Roads170.114 – 170.116
§ 170.114What restrictions apply to the use of a Tribal transportation facility?
§ 170.115What is a cultural site or area entry road?
§ 170.116Can a Tribe close a cultural site or area entry road?
Seasonal Transportation Routes170.117
§ 170.117Can TTP funds be used on seasonal transportation routes?
TTP Housing Site or Area Entry Roads170.118 – 170.119
§ 170.118What terms apply to TTP housing site or area entry roads?
§ 170.119Are housing site or area entry roads and housing streets eligible for TTP funding?
Toll, Ferry, and Airport Facilities170.120 – 170.122
§ 170.120How can Tribes use Federal highway funds for toll and ferry facilities?
§ 170.121Where is information about designing and operating a toll facility available?
§ 170.122When can a Tribe use TTP funds for airport facilities?
Recreation, Tourism, and Trails170.123 – 170.126
§ 170.123Can a Tribe use Federal funds for its recreation, tourism, and trails program?
§ 170.124How can a Tribe obtain funds?
§ 170.125What types of activities can a recreation, tourism, and trails program include?
§ 170.126Can roads be built in roadless and wild areas?
TTP Safety170.127 – 170.130
§ 170.127What are the TTP Safety Funds?
§ 170.128What activities are eligible for TTP-S funds?
§ 170.129How will Tribes receive TTP-S funds?
§ 170.130How can Tribes obtain non-TTP funds for highway safety projects?
Transit Facilities170.131 – 170.134
§ 170.131How do Tribes identify transit needs?
§ 170.132What Federal funds are available for a Tribe's transit program?
§ 170.133May a Tribe or BIA use TTP funds as matching funds?
§ 170.134What transit facilities and activities are eligible for TTP funding?
TTP Coordinating Committee170.135 – 170.137
§ 170.135What is the TTP Coordinating Committee?
§ 170.136What are the TTP Coordinating Committee's responsibilities?
§ 170.137How does the TTP Coordinating Committee conduct business?
Tribal Technical Assistance Centers170.138
§ 170.138What are Tribal Technical Assistance Centers?
Appendix A to Subpart B of Part 170
Allowable Uses of TTP funds
Appendix B to Subpart B of Part 170
Sources of Tribal Transportation Training and Education Opportunities