SACRAMENTO (CBS13) – A Sacramento motorcyclist died in the hospital after a crash on Interstate 80 near North Highlands overnight, North Sacramento area California Highway Patrol said.

The CHP said dispatchers received reports of the collision at approximately 12:23 a.m. from the area of westbound I-80 near Greenback Lane.

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The victim, a 25-year-old woman, was located at the scene with major injuries and was later pronounced dead at Mercy San Juan Medical Center. Her identity was not released.

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Authorities said it is unknown how many vehicles were involved and the cause of the crash remains under investigation.

The number 1-4 lanes of the freeway just west of Greenback Lane were closed for approximately 2 hours while law enforcement was on the scene.

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CHP investigators ask that anyone who may have been a potential witness to the crash please contact the agency.