91 Fwy Reopened After Overturned Big Rig Prompts SigAlert

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A SigAlert issued after a big rig with a 40-foot trailer overturned on the eastbound 91 Freeway in Carson early Tuesday has been canceled, according to the California Highway Patrol.


A big rig appeared to back up after overturning on the 91 Freeway in Carson on Tuesday morning. (Credit: KTLA)

The SigAlert was issued around 2:40 a.m. for the eastbound 91 Freeway at Main Street, a tweet from the CHP said.

Four lanes were shut down on the eastbound portion of the freeway, leaving two lanes open, according to CHP Officer Francisco Villalobos.

The transition road from the northbound 110 Freeway to the eastbound 91 Freeway was also closed.

The Los Angeles Fire Department responded to the scene after reports of injuries, Villalobos said.

However, no details were immediately available about the number of people injured, or the severity of their injuries.

It was also not known what caused the big rig to overturn.

Video from the scene shot around 5:00 a.m. showed the big rig was upright again.

All lanes were reopened shortly before 6:30 a.m, according to a tweet from the CHP.

KTLA’s Rose Razeghi contributed to this report.