I-55 outbound back up due to truck leaking natural gas

CHICAGO — A crash involving two semi-trucks on the southbound Stevenson Expressway made the evening commute troublesome Thursday evening.

According to the Illinois State Police, the incident occurred just before 4:15 p.m. on Thursday on the I-55 southbound just north of County Line Road near the 276 mile marker.

Delays reportedly started at Harlem Avenue. Left lane remains open.

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The Illinois State Police, fire crews, and emergency responders were on scene.

No further information has been provided at this time.

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