The cold and snowy winter is putting a strain on equipment and salt supplies around the Chicago area.
Several communities are reporting a salt shortage.
Barges full of road salt and salt melt products are stuck in the ice on the Mississippi and Illinois rivers.
The Chicago Sun-Times reports the city of Chicago is paying extra to hire private contractors to truck the salt from downstate and from Iowa.
The city has 70,000 tons of salt on hand and has used 215,000 tons this winter.
IDOT officials say they have 17,000 tons of salt and have used 60,000 tons so far.
Communities are hoping for a string of days with temperatures above freezing to give crews, equipment and their budgets a break from all the over-time.