Shuttle trains are short-distance trains that operate on a specific route, often between two main stations. They are designed to provide quick and efficient transportation for passengers, making frequent stops along the way. Shuttle trains are commonly used in urban areas, connecting commuters to major transit hubs or airports. These trains typically run at regular intervals, ensuring that passengers have convenient access to their destinations. Shuttle services can be found in various cities around the world, often linked to larger rail networks, such as subways or light rail systems, enhancing overall public transportation options.