; (III) authorizing the use of motorized vehicles or mechanized transport to carry out activities described in subsection (d) or (e); or (IV) responding to an emergency. (D) Commercial timber (i) In general Subject to clause (ii), no project shall be carried out in the Wildlife Conservation Area for the purpose of harvesting commercial timber. (ii) Limitation Nothing in clause (i) prevents the Secretary from harvesting or selling a merchantable product that is a byproduct of an activity authorized under this section. (d) Fire, insects, and diseases The Secretary may carry out any activity, in accordance with applicable laws (including regulations), that the Secretary determines to be necessary to prevent, control, and mitigate fire, insects, and diseases in the Wildlife Conservation Area, subject to such terms and conditions as the Secretary determines to be appropriate. (e) Regional transportation projects Nothing in this section precludes the Secretary from authorizing, in accordance with applicable laws (including regulations), the use or leasing of Federal land within the Wildlife Conservation Area for— (1) a regional transportation project, including— (A) highway widening or realignment; and (B) construction of multimodal transportation systems; or (2) any infrastructure, activity, or safety measure associated with the implementation or use of a facility constructed under paragraph (1). (f) Applicable law Nothing in this section affects the designation of the Federal land within the Wildlife Conservation Area for purposes of— (1) section 138 of title 23, United States Code; or (2) section 303 of title 49, United States Code. (g) Water Section 3(e) of the James Peak Wilderness and Protection Area Act ( Public Law 107–216