Aviation infrastructure is essential to airport and airline operations. While it's not necessarily as exciting or as visible as aircraft, it is arguably just as important. Airports are constantly adapting to provide enough functional, safe, and affordable infrastructure for airlines and passengers. Airport infrastructure must be run with the utmost expertise, adhere to the highest levels of safety and comply with a wide range of regulations. Aviation infrastructure is mainly consisit of runway, taxiway, terminal building, passenger service, parking etc.