Lanes of the busy freeway will be closed for six nights starting last Friday.
Southbound lanes of I-405 in Orange County, Calif., will be closed Feb. 21-25.
Truckers coped with the shutdown by leaving early and taking alternate routes.
The city is employing social media to alert drivers to the upcoming closure.
The freeway will be closed for 53 hours beginning the night of July 15 until the morning of July 18.
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