All funds received by the University of Arkansas under the provisions of Acts 1973, No. 200, § 2, and other funds heretofore made available to the university from the State Highway and Transportation Department Fund of the State Highway Commission for the funding of a program of research and education in transportation shall be deposited by the Board of Trustees of the University of Arkansas into an endowment trust fund, the principal of which shall be kept intact and the income from which shall be used to establish, operate, and maintain research and educational programs in transportation.