Section 170.918 - What applies to the Secretaries' collection of data under the TTP?(a) Under 23 U.S.C. 201(c)(6)(A) , the Secretaries will collect and report data necessary to implement the TTP in accordance with ISDEAA, including, but not limited to: (1) Inventory and condition information on Tribal transportation facilities; and(2) Bridge inspection and inventory information on any Federal bridge open to the public.(b) In addition, under 23 U.S.C. 201(c)(6)(C) , any entity that carries out a project under the TTP is required to provide the data identified in § 170.240 .