16 U.S.C. § 539l-3
(a) Study
Not later than three years after funds are first made available for this purpose, the Secretary, in consultation with interested parties, shall complete a study of the suitability and feasibility of establishing, consistent with the purpose set forth in section 539l(a)(2) of this title, a loop trail for mechanized and other nonmotorized recreation connecting the trail designated as "Rogers Pass" and the trail designated as "Rollins Pass Road".
(b) Establishment
If the results of the study required by subsection (a) indicate that establishment of such a loop trail would be suitable and feasible, consistent with the purpose set forth in section 539l(a)(2) of this title, the Secretary shall establish the loop trail in a manner consistent with that purpose.
16 U.S.C. § 539l-3