; or (B) for the maintenance, repair, reconstruction, restoration, retrofitting, or replacement of an existing road, highway, bridge, tunnel, or other transit facility (such as a ferry dock or bus transfer station), including ancillary transportation facilities (such as pedestrian and bicycle paths and bike lanes), if the project is to be completed in the same location, and with the same preexisting design, as the existing structure. (b) Regulations The Secretary of Transportation shall promulgate such regulations as are necessary to carry out subsection (a) by not later than 150 days after the date of enactment of this Act. 104. Categorical exclusion for projects of limited Federal assistance Section 1317(1) of the MAP–21 (126 Stat. 550; 129 Stat. 1402; 23 U.S.C. 109 note) is amended— (1) in subparagraph (A), by striking $5,000,000 and inserting $10,000,000 ; and (2) in subparagraph (B), by striking 15 percent and inserting 16 percent . 105. Simplifying environmental documents (a) Statement of policy It is the policy of the United States that the purpose of requiring an environmental document relating to a project is only to ensure that the process of considering the effects of the project takes place before the occurrence of any significant Federal action to carry out the project. (b) Page limits (1) In general To facilitate public transparency and understanding of environmental documentation, an environmental document— (A) shall— (i) be sufficient to provide a reasonable consideration of the potential environmental effects and alternatives of a proposed project; and (ii) reflect a thorough examination of the potential impacts of the project