In order to remove the present handicaps and hazards on the congested highways and roads in the State of West Virginia, to facilitate vehicular traffic throughout the state, to promote and enhance the tourism industry and to develop and improve tourist facilities and attractions in the state, to promote the agricultural, economic and industrial development of the state and to provide for the construction of modern express highways, including center divisions, ample shoulder widths, longsight distances, the bypassing of cities, multiple lanes in each direction and grade separations at all intersections with other highways and railroads, to provide for the development, construction, improvement and enhancement of state parks, tourist facilities and attractions and to provide for the improvement and enhancement of state parks presently existing, the West Virginia Parkways, Economic Development and Tourism Authority (hereinafter created) is hereby authorized and empowered to construct, reconstruct, improve, maintain, repair and operate parkway projects, economic development projects and tourism projects (as those terms are hereinafter defined in section five of this article) at such locations as shall be approved by the state Department of Transportation.