Construction continues this week on the Marine Way Extension underpass in Irvine. Crews are working on the excavation walls and deck for the new rail undercrossing. The project will include sidewalks, bike trails, and two lanes of vehicle traffic in both directions.
The extension will also add a new access point to the Great Park, helping reduce congestion at Sand Canyon Ave and Marine Way. The opposite end of Marine Way, built by FivePoint, will open to the public after City inspection and approval…