FREMONT (CBS SF) — A crash involving an overturned gasoline tanker truck shut down all northbound lanes of I-680 in Fremont for several hours Friday, dumping thousands of gallons of diesel fuel into a storm drain and retention pond, forcing the evacuation of dozens of homes near the crash site.

The California Highway Patrol said the crash happened at about 4:50 a.m. between Durham Road/Automall Parkway and S. Grimmer Blvd.

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CHP Officer Tyler Hahn said that before overturning, the truck had been involved in a collision with Toyota RAV4 that spun out and stalled.

Scene of multi-vehicle big-rig crash on northbound Interstate 680 in Fremont, December 24, 2021. (CBS)

Arriving CHP officers immediately called in the Fremont Fire Department and a multiple-agency hazardous materials response was ordered. Approximately 7,900 gallons of gasoline leaked from the fuel truck.

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For hours crews labored at the scene as the northbound lanes of the major East Bay freeway remained shut down. By 3:30 p.m., two of the three northbound lanes had been reopened and the local residents who were forced to evacuate were allowed to return home.

About 100 homes located along the I-680 south sound wall had been evacuated by police because of the smell of gasoline, the fire department said. The Public Works Corps Yard was offered as a temporary evacuation shelter for residents.

The third lane was finally reopened at 7:50 p.m. – 14 hours and 24 minutes after the crash.

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It was not immediately known if there were injuries or what caused the crash.