Illinois Department of Transportation Division of Highways Road Closures List Location 03-19-10 5:00 P.M. St. Clair between 39th and 47th streets in St. Clair. Closed until further Avenue notice due to inclement weather. I-57 Southbound Trail of Tears is closed for maintenance. I-57 I-57 SB at mm-222 Southbound Illini Praire rest area closed due to a construction project. US-20 The Scenic Tower along US-20 is closed in Jo Daviess Cnty. The Tower is closed, not the Highway. Additional restrictions, closures and ramp closures can be found at: http://www.dot.il.gov/road/restrlst.rtf and http://www.dot.il.gov/road/nopermits.pdf