BELL GARDENS (CBSLA.com) — A big rig crash has sent 1,500 gallons of liquid asphalt onto the northbound 710 Freeway in Bell Gardens.

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The accident occurred at approximately 8:30 p.m., near the Florence Avenue exit, according to the California Highway Patrol.

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The spill has prompted the complete closure of the northbound side of the freeway as hazmat crews attempt to mop up the asphalt, which has started to solidify.

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The big rig tank involved in the collision can carry up to 7,800 gallons of liquid asphalt.