The crash happened at about 3:37 a.m. on the northbound lanes of I-55 approaching I-335, according to Illinois State Police.
Due to the crash, two northbound lanes were blocked and caused major delays.
The semi also pushed guardrail onto southbound I-55 in the crash, causing the left lane to be closed.
It is unknown if there were any serious injuries.
by 6:45 a.m. all lanes were reopened.
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