The State Department of Transportation of Alabama is hereby authorized and empowered upon the request of the University of Alabama to construct, reconstruct and maintain roads leading from a state highway to any land included within the scope of this article and to construct, reconstruct and maintain roads within the boundaries of lands included within the scope of this article. The construction and reconstruction of such roads shall be in accordance with the development plan for the said land as approved by the University of Alabama. Such roads leading to said land or lying within said land shall be constructed, reconstructed and maintained in such manner as may be agreed upon between the state Director of Transportation and the University of Alabama. The costs of such construction, reconstruction and maintenance made by the said State Department of Transportation shall be paid from the State Highway Fund.