; (B) road design, construction, and maintenance practices; and (C) the architecture and implementation of intelligent transportation system technologies. (2) Biennial report Not later than October 31, 2021, and not less frequently than once every 2 years thereafter, the Council shall submit to the Secretary a report containing recommendations of the Council regarding the issues described in paragraph (1). (d) Duties of Secretary (1) Council recommendations (A) In general The Secretary shall determine whether to accept or reject a recommendation contained in a report of the Council under subsection (c)(2). (B) Inclusion in review (i) In general The Secretary shall indicate in each review under paragraph (2) whether the Secretary accepts or rejects each recommendation of the Council covered by the review. (ii) Exception The Secretary may indicate in a review under paragraph (2) that a recommendation of the Council is under consideration, subject to the condition that a recommendation so under consideration shall be accepted or rejected by the Secretary in the subsequent review of the Secretary under paragraph (2). (2) Review (A) In general Not later than 60 days after the date on which the Secretary receives a report from the Council under subsection (c)(2), the Secretary shall submit a review describing the response of the Secretary to the recommendations of the Council contained in the Council report to— (i) the Committee on Commerce, Science, and Transportation of the Senate; (ii) the Committee on Environment and Public Works of the Senate; (iii) the Subcommittee on Transportation, and Housing and Urban Development, and Related Agencies of the Committee on Appropriations of the Senate; (iv) the Committee on Transportation and Infrastructure of the House of Representatives