DOT, or the Department of Transportation, is a government agency responsible for overseeing the nation's transportation systems. This includes everything from highways and bridges to airports and public transit. The DOT works to ensure that these systems are safe, efficient, and accessible for everyone. They also develop policies and regulations to improve transportation infrastructure and reduce traffic congestion. In addition to managing transportation, the DOT plays a crucial role in promoting safety and environmental sustainability. They conduct research and provide funding for projects that enhance transportation networks. By focusing on innovation and technology, the DOT aims to create a more connected and efficient transportation future for all citizens.