I-405 Improvement Project Construction Alert
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Northbound and Southbound I-405 are scheduled to be closed from 11 p.m. to 7 a.m. on Saturday, Aug. 18, and again on Saturday, Aug. 25, through Huntington Beach and Westminster. The closures are necessary for demolition of the McFadden Avenue bridge. Nighttime lane closures are scheduled on I-405 during the weeks of Aug. 20 and Aug. 27 for additional demolition activities.
For the full closures, northbound motorists will be detoured off the freeway at Beach Boulevard, and southbound motorists will be detoured off the freeway at Bolsa Avenue/Goldenwest Street. Motorists should expect nighttime delays and use alternate routes if possible.
Click Here for information about the freeway closures and associated detours.
To view all project closures and detours, please visit the interactive map or click here for a pdf list.
