Highway Department 8149 Highway 61 S Port Gibson, MS 39150 Phone : (601) 437-3439 Business Category Highway & street construction Road Maintenance Mississippi State Of--public Service Commission-central District, Transportation Dept 8149 Highway 61 S Port Gibson, MS 39150 Phone : (601) 437-3439 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools