Sounder Commuter Rail is a regional train service in Washington State, operated by Sound Transit. It connects the cities of Seattle, Tacoma, and Everett, providing a reliable transportation option for commuters. The service aims to reduce traffic congestion and promote sustainable travel by offering an alternative to driving. The Sounder trains run on two main lines: the South Line, which travels between Lakewood and Seattle, and the North Line, connecting Everett to Seattle. The service features comfortable seating, bike storage, and amenities to enhance the commuting experience for passengers.