High-speed trains are advanced rail systems designed to travel at significantly higher speeds than traditional trains. They typically operate on specially built tracks that allow for smoother and faster travel, often reaching speeds of over 155 miles per hour (250 kilometers per hour). Countries like Japan and France have pioneered high-speed rail networks, making train travel a popular choice for long-distance journeys. These trains are known for their efficiency and comfort, offering amenities such as spacious seating and onboard services. High-speed trains reduce travel time between cities, making them an attractive alternative to flying or driving. They also contribute to lower carbon emissions, promoting more sustainable transportation options.