More than 816,000 passengers moved through GulfportBiloxi International Airport in 2002. By 2006, upon completion of a $25.4 million expansion that will allow more airlines to operate at it, the airport is expected to serve 2.2 million passengers. The airlines serving the facility are AirTran Airways, ASA/Delta, Continental/Continental Express, and Northwest. For those who choose to approach the city by rail, Amtrak's Sunset Limited line provides service to Biloxi and Gulfport, among other cities along the Gulf Coast. Biloxi also has private and public marinas for those who choose to arrive by boat.
Seven interstate highways provide access to the Alabama-Mississippi-Louisiana region via Interstate 10, which runs east and west across the northern part of Biloxi. U.S. Highway 90 also runs east and west, but along the beaches of the Gulf. Interstate 110 extends north and south through the city, and Highways 67 and 15 run north toward central Mississippi. Local bus service is provided by the Coast Transit Authority.