DOWNTOWN LOS ANGELES (CBSLA.com) — An overturned big rig on the westbound 10 Freeway has snarled traffic for miles in Downtown L.A.

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The vehicle was carrying pipes, which spilled all over the 10 Freeway connector to the 101, Sky9’s Stu Mundel reported.

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The accident was reported shortly after 7 p.m. near the Mission Road exit.

Firefighters worked to free the big rig driver, who became trapped inside the vehicle. He was taken to a hospital in critical condition.

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Several lanes of the 10 Freeway were closed as crews worked to clean up the mess.