"This Response to Comments (RTC) document has been prepared to respond to comments received on the Draft EIR. This document contains the comments received on the Draft EIR during the public comment period, written responses to those comments, and any changes made to the Draft EIR in response to the comments or to amend or clarify material in the Draft EIR. The responses and revisions in this document substantiate and confirm the analysis contained in the Draft EIR. No new significant environmental impacts and no substantial increase in the severity of previously identified significant impacts have been identified. This RTC document, together with the Draft EIR, constitutes the Final Environmental Impact Report (Final EIR) for the BART to Livermore Extension Project."--Page 1.