Interstate 57 WSIU InFocus: Traffic Safety in Southern Illinois By Jennifer Fuller • Jul 26, 2017 July 26th marks Speed Awareness Day in Illinois. Traffic safety is a growing concern among southern Illinoisans, as a spike in crashes along major transportation routes continues to make headlines. But what’s causing the spike? And how will it end? Listen Listening... / 6:00 WSIU InFocus: Traffic Safety Part 1 Four Semis Crash on I-57 By Brad Palmer • Jul 14, 2017 Four semis were involved in a traffic accident on Interstate 57 Thursday afternoon. Illinois State Police say the four vehicles were traveling north in the right lane on I-57 north of milepost 43 in Williamson County. I-57 Crash Kills One and Injures Two Others By Jennifer Fuller • Mar 21, 2016 Illinois State Police are investigating a crash this morning along Interstate 57 that killed one person and injured two others.