Transportation Department Clayton, ID 83227 Phone : (208) 838-2654 Business Category Port Authorities Idaho State Of--transportation Dept Of Clayton, ID 83227 Phone : (208) 838-2654 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Idaho Transportation Dept Clayton, ID 83227 Phone : (208) 838-2654 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools