Kansas City International Airport strife and interruptions raised its cost to $250 million. Kansas City renamed the airport Kansas City International Airport (although it kept MCI as its airport code). TWA, Braniff and everyone else moved to MCI. Many design decisions were driven by TWA, which envisioned it would be its hub, with 747s and Supersonic Transports whisking people from America's heartland to all points on the globe. Streets around the airport included Mexico City Avenue, Brasília Avenue, Paris Street, London Avenue and Tel Aviv Avenue. TWA vetoed concepts to model the airport on Washington Dulles International Airport and Tampa International Airport, because those
Washington Dulles International Airport mezzanine with more room for lines. A new train system, dubbed AeroTrain and developed by Mitsubishi, began in 2010 to transport passengers between the concourses and the main terminal. The system, which uses rubber tires and travels along a fixed underground guideway, is similar to the people mover systems at Singapore Changi Airport, Hartsfield–Jackson Atlanta International Airport, and Denver International Airport. The train is intended to replace the mobile lounges, which many passengers found crowded and inconvenient. The initial phase includes the main terminal station, a permanent Concourse A station, a permanent Concourse B station, a permanent midfield concourse station