Pre-treating roads is something INDOT does in addition to snow and ice removal operations.
(Indianapolis, Ind.) - In addition to the Indiana Department of Transportation's snow and ice removal operations during winter storm events, the agency also pre-treats roadways with brine solution prior to winter weather if conditions allow. This typically occurs 24 to 48 hours before precipitation begins to give time for crews to apply brine solution and time for it to dry and adhere to the surface of the road. Below are answers to some frequently asked questions about pre-treatment of state roadways.
What is brine?
Why does INDOT pre-treat roadways?
How long does it take to pre-treat roadways?
Does rain wash away brine after it's been applied?
How is the decision made to pre-treat roads?
This is general information regarding pre-treatment of state roadways and may vary slightly depending upon specific conditions in a geographic area. In addition, bridges, overpasses and elevated surfaces may be treated more heavily as they tend to freeze first. For more information about INDOT winter operations, visit www.indotwinterops.com.