Highway Commission 3354 Overton Cir Adel, IA 50003 Phone : (515) 834-2368 Business Category Highway & street construction Road Maintenance Iowa State Of--transportation Department Of, Highway Division, Maintenance Garage 3354 Overton Cir Adel, IA 50003 Phone : (515) 834-2368 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools