Overturned Semi Closes Ramp To Bishop Ford

CHICAGO (CBS) -- A semi overturned while trying to enter the northbound Bishop Ford Freeway on Thursday afternoon, shutting down the eastbound entrance ramp at 130th street.

The cause of the accident remains under investigation.

Traffic on the expressway was largely unaffected, according to data on the CBS Chicago traffic page.

The accident happened shortly before 1 p.m.