WILLIAMSON COUNTY - The Illinois State Police announced Wednesday afternoon a Williamson County Traffic Crash Alert - Road Closure for Extended Period - State Route 166 Half-Mile South of Creal Springs.
Illinois State Route 166 just south of Creal Springs is closed due to a serious traffic crash.
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"The roadway will be closed for an extended period of time," ISP said. "A thank you to motorists for their patience."