; and (B) located on land that is managed by the Forest Service in Del Norte County. (3) Map A map that depicts the trail shall be on file and available for public inspection in the appropriate offices of the Forest Service. (b) Management (1) In general The Secretary shall manage the trail— (A) in accordance with applicable laws (including regulations); (B) to ensure the safety of citizens who use the trail; and (C) in a manner by which to minimize any damage to sensitive habitat or cultural resources. (2) Monitoring; evaluation To minimize the impacts of the use of the trail on environmental and cultural resources, the Secretary shall annually assess the effects of the use of off-highway vehicles and mountain bicycles on— (A) the trail; (B) land located in proximity to the trail; and (C) plants, wildlife, and wildlife habitat. (3) Closure The Secretary, in consultation with the State and Del Norte County, and subject to paragraph (4), may temporarily close or permanently reroute a portion of the trail if the Secretary determines that— (A) the trail is having an adverse impact on— (i) wildlife habitats; (ii) natural resources; (iii) cultural resources; or (iv) traditional uses; (B) the trail threatens public safety; or (C) closure of the trail is necessary— (i) to repair damage to the trail; or (ii) to repair resource damage. (4) Rerouting Any portion of the trail that is temporarily closed by the Secretary under paragraph (3) may be permanently rerouted along any road or trail— (A) that is— (i) in existence as of the date of the closure of the portion of the trail; (ii) located on public land; and (iii) open to motorized or mechanized use; and (B) if the Secretary determines that rerouting the portion of the trail would not significantly increase or decrease the length of the trail. (5) Notice of available routes The Secretary shall ensure that visitors to the trail have access to adequate notice relating to the availability of trail routes through— (A) the placement of appropriate signage along the trail