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The original item was published from 10/21/2025 6:13:12 PM to 10/22/2025 6:05:00 PM.

News Flash

Fountain Valley News

Posted on: October 21, 2025

[ARCHIVED] 405 Project Closures on Harbor Boulevard - 10/21

405 Project Closure -10/21

Please be advised of tonight’s nighttime closures on Harbor Boulevard between Gisler Avenue and South Coast Drive to allow for asphalt grinding and new pavement installation.

Closure Details:

  • Northbound (NB) and Southbound (SB) lanes under the I-405 and the left-turn lane at NB and SB Harbor off-ramps: as early as, 10:00 p.m. TONIGHT, Oct. 21 to approximately 5:00 a.m. Wednesday, Oct. 22. 

The schedule is subject to change due to inclement weather or unforeseen operational issues.

Immediate access for emergency vehicles will be provided during the closure period, if needed.

Below is a rendering of the limits/scope of the paving activities. Note for orientation, north is the bottom left corner of the rendering. 

405 Project Closure -10/21

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