; (B) an evaluation of the effectiveness of the pilot program in meeting the purposes described in subsection (b); and (C) policy recommendations to improve the effectiveness of the pilot program. . (2) Clerical amendment The analysis for chapter 1 of title 23, United States Code (as amended by section 1124(a)(2)), is amended by inserting after the item relating to section 173 the following: 174. Wildlife crossings pilot program. . (c) Wildlife vehicle collision reduction and habitat connectivity improvement (1) In general Chapter 1 of title 23, United States Code (as amended by subsection (b)(1)), is amended by adding at the end the following: 175. Wildlife-vehicle collision reduction and habitat connectivity improvement (a) Study (1) In general The Secretary shall conduct a study (referred to in this subsection as the study ) of the state, as of the date of the study, of the practice of methods to reduce collisions between motorists and wildlife (referred to in this section as wildlife-vehicle collisions ). (2) Contents (A) Areas of study The study shall— (i) update and expand on, as appropriate— (I) the report entitled Wildlife Vehicle Collision Reduction Study: 2008 Report to Congress ; and (II) the document entitled Wildlife Vehicle Collision Reduction Study: Best Practices Manual and dated October 2008; and (ii) include— (I) an assessment, as of the date of the study, of— (aa) the causes of wildlife-vehicle collisions; (bb) the impact of wildlife-vehicle collisions on motorists and wildlife; and (cc) the impacts of roads and traffic on habitat connectivity for terrestrial and aquatic species; and (II) solutions and best practices for— (aa) reducing wildlife-vehicle collisions; and (bb) improving habitat connectivity for terrestrial and aquatic species. (B) Methods In carrying out the study, the Secretary shall— (i) conduct a thorough review of research and data relating to— (I) wildlife-vehicle collisions; and (II) habitat fragmentation that results from transportation infrastructure