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SGVCOG updates Montebello grade‑separation project; Olympic Boulevard bridge work will require lengthy closure
Summary
Carrie Inseong, senior project manager with the San Gabriel Valley Council of Governments, updated the Montebello City Council on construction of the Montebello grade‑separation project, saying the crossings work should be finished by May 2026 and the underpass by December 2028.
Carrie Inseong, senior project manager with the San Gabriel Valley Council of Governments, updated the Montebello City Council on construction of the Montebello grade‑separation project during the council's Aug. 27 meeting. She said the project consists of four elements: an underpass and safety improvements at the Vail, Maple and Greenwood at‑grade crossings, and related retaining walls and utility relocations.
Inseong said crews have completed major milestones including relocation of Southern California Edison facilities and installation of temporary "shoe‑fly" tracks that allow freight and Metrolink trains to keep running while the existing tracks are removed. "The…
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