; and and inserting continues; ; (2) in paragraph (4), by striking the period at the end and inserting ; and ; and (3) by adding at the end the following: (5) shall, unless otherwise authorized by the Secretary, and notwithstanding any other provision of this chapter, require— (A) a 2-nautical-mile buffer between the parallel outer or seaward boundary of a traffic lane and any offshore structure affixed to the submerged land of the Outer Continental Shelf; and (B) a 5-nautical-mile buffer between the entry or exit of any traffic separation scheme and any offshore structure. . (b) Navigation; conflict mitigation Not later than 1 year after the date of the enactment of this Act, the Secretary of the department in which the Coast Guard is operating shall implement the recommendations of the Atlantic Coast Port Access Route Study, docket number USCG–2011–0351, dated February 24, 2016, including any recommendations in the appendices thereto. (c) Fairways Not later than July 1, 2021, the Commandant of the Coast Guard shall conduct a review of navigation on the East Coast of the United States and submit recommendations for new fairways on such coast to facilitate commerce to the Committee on Transportation and Infrastructure of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate. 4. Safety of special activities (a) In general Title 46, United States Code, is amended by inserting after section 70005 the following: 70006. Safety of special activities (a) In general The Secretary may establish a safety zone to address special activities in the exclusive economic zone. (b) Definitions In this section: (1) The term safety zone has the meaning provided in section 165.20 of title 33, Code of Federal Regulations. (2) The term special activities includes— (A) space activities, including launch and reentry, as those terms are defined in section 50902 of title 51, carried out by United States citizens