By CBS 2 Chicago Staff

CHICAGO (CBS) — A person was shot early Thursday on Interstate 57 near south suburban Markham.

Illinois State Police said it happened around 2:30 a.m. in the northbound lanes of I-57 near 155th Street.

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One female of unknown age was injured, and took herself to Holy Cross Hospital, with non-life-threatening injuries. She was later transferred to Mount Sinai Hospital.

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After the shooting, police shut down the northbound lanes to search for evidence, diverting traffic off the expressway at 159th Street.

The lanes reopened around 6:15 a.m.

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Illinois State Police said there have been 171 expressway shootings in the Chicago area this year, more than during all of last year.

CBS 2 Chicago Staff