every . For example, Scottsdale Road, being the 7200 block east, lies to the east of Central Avenue (72 / 8). Freeways and state highways in Phoenix: Air Phoenix Sky Harbor International Airport , one of the ten busiest airports in the United States, serves over 110,000 people on over 1000 flights per day. Centrally located in the metro area near several major freeway interchanges east of downtown Phoenix, the airport serves more than 100 cities with non-stop flights. Air Canada, British Airways, Condor, Volaris, and WestJet are among several international carriers as well as American carrier American Airlines (which maintains a hub at the airport) that provide flights to destinations such as Canada, Costa Rica, Mexico, and London. In addition to American, other domestic carriers include Alaska Airlines, Delta, Frontier, Hawaiian, JetBlue, Southwest, Spirit, Sun Country, and United. The Phoenix-Mesa Gateway Airport in neighboring Mesa also serves the area's commercial air traffic. It was converted from Williams Air Force Base, which closed in 1993. The airport has recently received substantial commercial service with Allegiant Air opening a hub operation at the airport with non-stop service to over a dozen destinations. Smaller airports that primarily handle private and corporate jets include Phoenix Deer Valley Airport, in the Deer Valley district of north Phoenix, and Scottsdale Airport, just east of the Phoenix/Scottsdale border. There are also other municipal airports including Glendale Municipal Airport, Falcon Field Airport in Mesa, and Phoenix Goodyear Airport. Rail Intercity Amtrak served Phoenix Union Station until 1996 when the Union Pacific Railroad (UP) proposed abandoning the route between Yuma, Arizona, and Phoenix. Amtrak rerouted trains to Maricopa, south of downtown Phoenix, where passengers can board the Texas Eagle (Los Angeles-San Antonio-Chicago) and Sunset Limited (Los Angeles-New Orleans). UP retained the trackage and the station remains. In 2021, Amtrak developed a plan to bring rail service back to Phoenix with connections to Tucson and Los Angeles. This service is supported by the Bipartisan infrastructure bill and could take several years for service to be implemented. Light Rail Valley Metro's light rail project, called Valley Metro Rail, through north-central Phoenix, downtown, and eastward through Tempe and Mesa, opened December 27, 2008. Future rail segments of more than are planned to open by 2030. Intercity buses Amtrak Thruway buses connect Phoenix Sky Harbor International Airport to Flagstaff for connection with the Los Angeles-Chicago Southwest Chief. Phoenix is served by intercity