This data represents regional trauma advisory council (RTAC) region boundaries for Wisconsin in 2020. [This dataset contains boundaries for the Wisconsin Regional Trauma Advisory Councils. DHS 118.04 authorizes the department to organize and structure Regional Trauma Advisory Councils (RTACs) and to approve the designation of all trauma care geographic regions based on consideration that represents the best care of trauma patients. The RTACs are structured to be self-directed work groups focusing on regional needs and to improve the care of trauma patients and their families. For more information please visit the Wisconsin Department of Health Services website: https://www.dhs.wisconsin.gov/wish/injury-mortality/rtac.htm]