Welcome, Sound Transit riders. Scroll down to find key information about all Sound Transit transit options in the Seattle area, like Sound Transit schedules, maps, and next departures. You'll find more complete information about Sound Transit and other transportation options in the Seattle area in our app.
See Available LinesSound Transit is a public transportation provider that serves the Seattle area. Sound Transit operates the following transit modes across the Seattle area: Bus, Light Rail and Commuter Rail. In total, Sound Transit operates 17 Bus lines, 3 Light Rail lines and 2 Commuter Rail lines. Sound Transit serves 388 stops or stations in the Seattle area.