Semi truck driver struck and killed on Dan Ryan Expressway

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CHICAGO — A semi truck driver was struck and killed on the Dan Ryan Expressway, Illinois State Police say.

The accident happened around 5 a.m. Friday in the southbound local lanes of I-94 at 31st Street.

The semi driver pulled over on the shoulder and exited his vehicle. Shortly after exiting, he was struck by another semi trailer.

It is unknown at this time why the driver exited his semi trailer.

All local lanes of the expressway were closed at 31st Street Friday morning for about three hours as police investigated, but they have reopened.

No other information has been released at this time.

This is a developing story. Check back for details.