CONCORD — An already weather-wrecked commute grew even wearier Thursday morning when a big rig jackknifed on Highway 242 and ruptured its gas tank, the California Highway Patrol said.
All four lanes of the highway remained blocked in the northbound direction at the Grant Street exit at 10 a.m., nearly two hours after the crash. The California Highway Patrol issued a Sig Alert for severe traffic and said it was unknown when lanes would be open.
A hazardous materials team was a the scene.
Early estimates from the CHP estimated that approximately 90 gallons of diesel fuel spilled.
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It was not known initially whether anyone was injured seriously.
Check back for updates.