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I-710 South Early Action Soundwall Program is consistent with the I-710 South Corridor project alternatives and is being advanced for earlier delivery. Metro identified five miles of new soundwalls along I-710, plus an additional seven miles of existing walls that can be aesthetically treated to match the new walls. Metro recently procured three contracts to complete the plans, specifications and estimates (PS&E) phase of the I-710 Early Action Soundwall Program.  The contracts were awarded by Metro in the Summer 2015. The soundwalls in Package 1 are on city-owned property in cities of Long Beach and South Gate. The soundwalls in Packages 2 and 3 are in Caltrans right-of-way.


  • Complete Feasibility Study (Early 2014)
  • Complete Preliminary Engineering & Environmental (Spring of 2016)
  • Complete Plans, specifications and estimates (PS&E) phase (Summer 2021)

Community participation

Metro is joined by several partner agencies in completing the I-710 Soundwall Early Action Program.  These agency partners include: California Department of Transportation, Gateway Cities Council of Governments, and the I-710 Corridor Cities.