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Federal regulations · Through 2026-08-25 · Newer source version available

25 CFR 170.455: What other factors must influence project design?

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Where this section sits in the code
  1. Title 25—Indians
  2. CHAPTER I—BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR
  3. SUBCHAPTER H—LAND AND WATER
  4. PART 170—TRIBAL TRANSPORTATION PROGRAM
  5. Subpart D—Planning, Design, and Construction of Tribal Transportation Program Facilities

The appropriate design standards must be applied to each construction project consistent with a minimum 20-year design life for highway projects and 75-year design life for highway bridges. The design of TTP projects must take into consideration:

(a) The existing and planned future use of the facility in a manner that is conducive to safety, durability, and economy of maintenance;

(b) The particular needs of each locality, and the environmental, scenic, historic, aesthetic, community, and other cultural values and mobility needs in a cost effective manner; and

(c) Access and accommodation for other modes of transportation.

Collected 2026-08-27T02:24:59Z. Source file · JSON

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