It shall be the public policy of this state to encourage the construction, equipping, maintenance and operation of adequate transportation facilities, including airports, if needed, for use of the state university and the state supported four year colleges now or hereafter located in the state, as necessary in the operation and training program of such university and colleges and desirable for the use of the municipalities and areas in or near which such airports may be located as well as being helpful in the economic, industrial and business development of said counties. It is the intent of Sections 61-5-71 through 61-5-77 to provide means whereby the board of trustees of state institutions of higher learning, the state building commission and any and all other state agencies which have either constructed such airport facilities, or contemplate so doing, may obtain assistance and contributions of funds from any municipality in or near which any such college may be located and from the county in which any such airport facilities may be located. It is also the intent of said sections to authorize such municipalities and counties to borrow money and issue bonds, under their respective bond laws, to provide funds for the purpose of aiding and assisting in the acquisition of sites for such airports, construction of buildings, construction of runways and extension of runways and in constructing and equipping all facilities needed or desirable for such airports.