Transportation Dept-highway 15710 W Boxelder Dr Casa Grande, AZ 85222 Phone : (520) 836-2501 Business Category Port Authorities Arizona State Government--transportation Dept Of, Intermodal Transportation Division (highways), Construction Po Box 10983 Casa Grande, AZ 85230 Phone : (520) 836-2501 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools