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City of Pleasanton—Hidden Canyon Residences and Preserve Project Final EIR Responses to Written Comments FirstCarbon Solutions 3-63 https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480016/EIR/4 - Final EIR/21480016 Sec03-00 Responses to Written Comments.docx Mary Jo Carreon (M.CARREON) Response to M.CARREON-1 A Transportation Impact Study was prepared for the proposed project and is included as Appendix H of the Draft EIR. This study includes an analysis of traffic operations as a result of traffic signal construction on Dublin Canyon Road. Page 7 of Appendix H states that the proposed signal would improve operations at the intersection of Dublin Canyon Road and Canyon Meadows Drive. The installation of a traffic signal at this intersection as part of a package of roadway improvements intended to address existing and future traffic conditions, improve overall intersection safety, and provide controlled and predictable access for all roadway users, including residents of Canyon Meadows, Oak Hills Congregational Church, and through traffic on Dublin Canyon Road. Specifically, during the peak-hours, the intersection would operate at LOS A for all “Plus Project” conditions. As described on page 12 in Appendix H, LOS A represents a very low control delay where many vehicles do not stop at all. Furthermore, the installation of the signal would improve roadway safety by limiting concurrent vehicular path conflicts between Canyon Meadows Drive and the existing church driveway and provide a protected pedestrian crossing across Dublin Canyon Road for residents trying to access the nearby park. With respect to the commenter’s concern about left-turn access from nearby residential developments, signalization is expected to improve overall traffic operations by introducing defined gaps through signal phasing, rather than relying on opportunistic merging during heavy traffic conditions. Therefore, the Transportation Impact Study concluded that the signalized intersection would operate within acceptable parameters and would not result in unsafe or unmanageable access conditions for adjacent neighborhoods and traffic impacts related to the installation of a traffic signal for the proposed project would be less than significant. This comment is included in the administrative record and will be provided to the decision-makers for review and consideration. The comment did not provide new, substantial evidence with respect to the disposition of significant environmental impacts evaluated in the Draft EIR. Therefore, no further response is required.