Carroll County Treasurer, Jean Seidl, has announced that all Iowa Department of Transportation (DOT) locations will be closed on Thursday, Oct. 12 for statewide training. This closure will include the Carroll County Treasurer’s Office and the Carroll driver’s license station. Both departments will resume normal business hours of 8 a.m. to 4:30 p.m. for the Treasurer’s Office and 8 a.m. to 3:30 p.m. for the driver’s license station on Friday, Oct. 13.