Chicago man riding bike on Dan Ryan dies

August 30, 2010 (CHICAGO) Police are not sure why Christopher Hippchen of the 5200-block of N. Sheridan Rd., Chicago, was riding on the expressway just after 9 p.m. He was hit in the northbound express lanes near Garfield Sunday night.

Investigators say the person who hit the biker stopped. Officers were able to talk with that driver about the accident.

The man was not wearing a helmet at the time of the crash, sources said. He was struck by a black Jeep SUV, which had to be towed from the scene.

Alcohol does not appear to be involved, sources said.

The Sun-Times Media Wire contributed to this report.

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