Missouri State Of--transportation Dept Of Alton, MO 65606 Phone : (417) 778-6172 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Highway Department Alton, MO 65606 Phone : (417) 778-6172 Business Category Highway & street construction Road Maintenance Missouri State Of--transportation Dept Of, Customer Service Center, Alton Alton, MO 65606 Phone : (417) 778-6172 Business Category Government Offices-State Business Services Transportation Services Local Passenger Transportation Agents Brokers & Planning Services Government Offices State & Local Government Offices & Public Schools Missouri--transportation Dept Of, Local Offices, Alton Alton, MO 65606 Phone : (417) 778-6172 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools