Downtown Seattle Transit Tunnel is dedicated transit way with underground stations shared by Sound Transit Link light rail and select King County Metro and Sound Transit buses.
Blue line - Central Link
Red line - Tunnel bus routes
Bus - tunnel level
King County Metro and Sound Transit run buses in the tunnel along with light rail. Fare is paid onboard the bus. Tunnel is open to approximately 1am on weeknights and Saturday nights, and midnight on Sunday nights. Routes that operate after the tunnel closure use surface streets instead.
Leaving downtown on the southbound platform:
101 Express: South Renton Park & Ride - Downtown Seattle
102 Express: Fairwood - Downtown Seattle
150 Kent Station - Downtown Seattle
550 (ST) Bellevue - Seattle
Leaving downtown on the northbound platform:
41 Express: Lake City - Northgate TC - Downtown Seattle
74 Sand Point - Downtown
255 Express: Brickyard P&R - Kirkland TC - Downtown Seattle