; (2) the size of each such conduit is consistent with industry best practices and is sufficient to accommodate potential demand, as determined by the Assistant Secretary of Commerce for Communications and Information; and (3) hand holes and manholes for fiber access and pulling with respect to each such conduit are placed at intervals consistent with industry best practices, as determined by the Assistant Secretary of Commerce for Communications and Information. (c) Standards The Secretary, in consultation with the Assistant Secretary of Commerce for Communications and Information, shall establish standards, consistent with applicable requirements in section 156 of this title, section 1.23, part 645, and part 710 of title 23, Code of Federal Regulations, and the Approved Utility Accommodation Manual, to carry out subsection (b) that consider— (1) the ability to accommodate broadband installation without impacting the safety, operations, and maintenance of the highway facility, its users, or others; (2) population density in the area of a covered highway construction project; (3) the type of highway involved in such project