By Mary Chappell

CHICAGO (CBS) — A person was shot on the Dan Ryan Expressway Saturday night, authorities said.

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Illinois State Police responded after the gunshot victim arrived at a local hospital for treatment. Authorities said the victim had serious injuries.

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State troopers shut down northbound lanes and diverted traffic on the Dan Ryan near 71st to investigate. All lanes were reopened at about 4:08 a.m.

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Illinois State Police has responded to 172 expressway shootings since Jan. 1, 14 of which have been fatalities.