(1) The Legislative Assembly of the State of Oregon finds and declares that:
(a) It is in the public interest to provide methods of financing the costs of mass transit facilities; and
(b) The method of financing provided in ORS 267.227 and 391.500 to 391.660 is in the public interest and serves a public purpose.
(2) The purpose of ORS 267.227 and 391.500 to 391.660 is to create an authority to provide financial assistance to mass transit districts.
(3) ORS 267.227 and 391.500 to 391.660 shall be liberally construed.