The Division of Highways is responsible for planning, engineering, right-of-ways acquisition, construction, reconstruction, traffic regulation and maintenance of more than 34,000 miles of state roads. Additional duties include highway research, outdoor advertising contiguous to state roads, roadside development, safety and weight enforcement and dissemination of highway information. Traversing mountains, valleys, wild rivers and rolling countryside, the roadways maintained by the Division of Highways include: 38,452 miles of public roads 34,726 miles of state owned highways, 88 miles of West Virginia Turnpike, 835 miles of federally owned roads and 2,866 miles of municipally owned roads 549 miles of Interstate highway 1,824 miles included in the National Highway System, 23 miles of which are connectors to other modes of transportation such as airports, trains and buses 6,710 bridges of which 32 percent are more than 100 feet in length 2 national and 8 state scenic byways The more than 4,500 men and women of the Division of Highways (DOH) are proud to preserve the quality and integrity of this world-class mountain transportation system.