As used in this article:
"Airport" means a publicly owned airport in Mississippi.
"Fund" means the Multi-Modal Transportation Improvement Fund created in Section 65-1-703.
"MDA" means the Mississippi Development Authority.
"MDOT" means the Mississippi Department of Transportation.
"Modes" means airports, ports, railroads and transit systems.
"Port" means a public port in Mississippi.
"Railroad" means a publicly owned short line railroad in Mississippi and regional railroad authority as defined in 19-29-5.
"Transit system" means a public transit system in Mississippi.