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In March 2017, Metro finalized an Initial Study/Mitigated Negative Declaration (IS/MND) for the Red/Purple Line Core Capacity Improvements project, the former name for the Division 20 Portal Widening and Turnback Facility Project. Through further design refinement, the project was reconfigured to accommodate more storage tracks and relocate the turnback facility. To propose these changes, Metro moved forward with an Environmental Impact Report (EIR) for the project.

Metro started the environmental review process by releasing an initial Notice of Preparation (NOP) on October 18, 2017. Two public scoping meetings were held in late October/early November 2017 to introduce the project and gather community input. Metro accepted public comments on the NOP from October 18 to November 17, 2017.

On January 3, 2018, Metro released a revised NOP to invite public comments on the acquisition and reuse of an additional property as part of the project. Metro accepted public comments on the revised NOP from January 3 to February 2, 2018.

On March 16, 2018, Metro released the Draft Environmental Impact Report (DEIR) for a 45-day public review period. A public hearing was held on April 12, 2018 to discuss the details of the report and gather community input. Metro accepted public comments on the DEIR from March 16 to April 30, 2018. View a recording of the public hearing’s webcast .

The Final Environmental Impact Report (FEIR) is anticipated to be released by Fall 2018 and will be considered for approval by the Metro Board.

Environmental Review Timeline


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