The northbound I-405 from westbound SR-22 to Seal Beach Boulevard will be closed nightly from 11 p.m. to 5 a.m., through Friday July 20, according to CalTrans.
The northbound I-405 from Seal Beach Boulevard to the I-605 will also be closed nightly from 11 p.m. to 5 a.m., according to the Orange County Transportation Authority website.
Detour: From the wesbound SR-22, exit Valley View Street and turn right, turn left on Katella Avenue and continue west to access the northbound I-605—or from the northbound I-405, exit Westminster Avenue and turn left, turn right on Seal Beach Boulevard, then turn left on Katella Avenue to access the northbound I-605.
