The southbound lanes of the Dan Ryan Expressway were closed for approximately six hours Sunday after a multi-vehicle crash sent a driver to the hospital with life-threatening injuries.
According to police, the crash occurred in the local lanes near 29th Street at approximately 12:36 a.m. Sunday.
The crash involved a sedan and a semi-truck, according to police. The driver of the sedan was taken to an area hospital with life-threatening injuries. The condition of the semi-truck driver has not yet been released.
At approximately 12:49 a.m., all southbound local lanes of the expressway were closed for clean-up and an investigation, and those lanes were reopened at approximately 7 a.m.
No cause of the crash has been released, and an investigation continues.