State financial assistance under this Article shall be limited to appropriations of funds made for the purpose by the General Assembly to the Department of Transportation, or to private funds which may become available to the Department for such purpose. (1967, c. 1006, s. 1; 1973, c. 1262, s. 86; 1975, c. 716, s. 3; 1979, c. 148, s. 5.)