NB 5 Freeway Lanes Reopen North of Castaic Following Chemical Spill

Traffic stands still while authorities respond to a leaking hydrogen peroxide tanker on the 5 Freeway, north of Castaic, on May 27, 2019. (Credit: KTLA)

Traffic stands still while authorities respond to a leaking hydrogen peroxide tanker on the 5 Freeway, north of Castaic, on May 27, 2019. (Credit: KTLA)

The northbound 5 Freeway reopened after all lanes were closed north of Castaic due a hazardous materials spill Monday, during the busy Memorial Day travel weekend, officials said.

Northbound traffic was blocked between Hasley Canyon Road and Parker Road reopened just after 6 p.m., according to the California Highway Patrol.

The spill was reported to firefighters around 2:30 p.m., said Supervisor Melanie Flores with Los Angeles County Fire Department.

Officials were advised that the truck was leaking hydrogen peroxide. Although they were told the spill was about 12 to 15 gallons, Flores said it was larger, with about a gallon leaking every five minutes.

There was no crash or other vehicles involved.

All four lanes were closed initially, but authorities reopened two lanes at around 5:20 p.m., according to Caltrans.

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