; (C) indicate the expected operational and safety performance of alternative approaches to facility design; and (D) suggest design options specific to road classifications, land use, traffic volume, and speed. (3) Topics of emphasis In developing the benchmarks and guidance under paragraph (1), the Secretary shall— (A) emphasize— (i) procedures for identifying the needs of users of all ages and abilities of a particular roadway; (ii) procedures for identifying the types and designs of facilities needed to serve each class of users; (iii) safety and other benefits provided by carrying out complete streets principles; (iv) common barriers to carrying out complete streets principles; (v) procedures for overcoming the most common barriers to carrying out complete streets principles; (vi) procedures for identifying the costs associated with carrying out complete streets principles; (vii) procedures for maximizing local cooperation in the introduction of complete streets principles and carrying out those principles; and (viii) procedures for assessing and modifying the facilities and operational characteristics of existing roadways to improve consistency with complete streets principles; and (B) take into consideration findings of the National Complete Streets Assessment of the Federal Highway Administration. (4) Public review and comment The complete streets benchmarks and guidance developed and made available under paragraph (1) shall be subject to a period of public review and comment. (d) Complete streets policies (1) In general An eligible entity seeking technical assistance or funds from a complete streets program shall adopt a complete streets policy using complete streets principles and approved by— (A) the State of the eligible entity