An overturned water tanker has closed the connector ramp from northbound Interstate Highway 680 to westbound Interstate Highway 80 in Fairfield.
The tanker overturned around 11:30 a.m., a California Highway Patrol officer said.
The CHP issued a Sig-alert at 11:50 a.m. All lanes of the on-ramp are expected to reopen sometime around 2:15 p.m.
A small amount of diesel fuel spilled when the big-rig overturned, according to the CHP.
The driver of the truck suffered minor injuries, CHP Officer Kevin Bartlett said.
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