Springfield - The Sangamon County Highway Department announces that construction activities will begin on CH 12, Wednesday, September 9, 2020 at 7:00 a.m. (weather permitting). Work will consist of cold in place recycling and HMA overlay. This project was awarded to P.H. Broughton and Sons, Inc. of Springfield, Illinois at the low bid amount of $2,080,788.76. Traffic will be reduced to a single lane controlled by flaggers during the work. Motorists are asked to use alternate routes if possible, and to use extreme caution in the work zone. We anticipate completion of this work in early November of 2020. Questions should be directed to the Sangamon County Highway Department at 217-535-3070.