Airports are in constant need of improvement. This is because modern travel demand continues to outgrow the existing buildings and systems at airports, which were mostly designed decades ago. Larger aircraft, more full schedules, more connection requirements, and the need for more runways, gates, and roads all ultimately strain an airport’s resources. Upgrades ultimately are needed to help cut back on delays and smooth out every step of the passenger journey, making it easier for passengers to get from curb to runway as efficiently as possible. Airports are also upgraded to offer improved security, as smarter layouts and better screening systems allow people to move through facilities more quickly without lowering safety guidelines. Ultimately, clear signs and wider corridors, combined with more elevators, will help families and travelers who struggle with reduced mobility.