Airport rail links are train services that connect airports to city centers or other key locations. They provide a fast and efficient way for travelers to reach their destinations without relying on cars or buses. These rail links often feature dedicated tracks and express services, minimizing travel time and enhancing convenience. Many major cities around the world, such as London with its Heathrow Express and Tokyo with the Narita Express, have established airport rail links. These services are designed to accommodate both domestic and international passengers, making air travel more accessible and reducing traffic congestion around airports.