; 90 Stat. 2793). (15) R.S. 2477 right-of-way The term R.S. 2477 right-of-way means an open-ended grant or dedication of land by the United States for a public right-of-way allowing public use and passage, which could be accepted by a claimant on or before October 21, 1976. (16) Reserved (A) In general The term reserved means action by the Secretary, before the earlier of a R.S. 2477 right-of-way acceptance or October 21, 1976— (i) to withdraw land from the public domain; (ii) to make the land unavailable for appropriation under public land laws; and (iii) to dedicate the land by the United States to a specific public purpose, such as a park, military establishment, wilderness area, tribal land, or Federal enclave, that does not rely on or otherwise permit an R.S. 2477 right-of-way for the specific public purpose. (B) Clarification The term reserved does not apply to an action of the Secretary with respect to the designation of a wilderness study area, an area of critical environmental concern, lands not formally designated by Congress as wilderness, or lands with wilderness characteristics. (17) Scope (A) The term scope — (i) means the width of a R.S. 2477 right-of-way as of October 21, 1976, including the area reasonable and necessary to meet the public convenience or safety (including maintenance, repair and realignment) or the exigencies of increased travel, based on the traditional uses of a highway