Sound Transit Express (ST Express) is a network of regional express buses, operated by the multi-county transit agency,
Sound Transit
Sound Transit (ST), officially the Central Puget Sound Regional Transit Authority, is a public transit agency serving the Seattle metropolitan area in the U.S. state of Washington. It operates the Link light rail system in Seattle and Tacom ...
. The routes connect major regional hubs throughout 53 cities in three counties (
King
King is the title given to a male monarch in a variety of contexts. The female equivalent is queen, which title is also given to the consort of a king.
*In the context of prehistory, antiquity and contemporary indigenous peoples, the ...
,
Pierce, and
Snohomish) in the
Puget Sound region
The Puget Sound region is a coastal area of the Pacific Northwest in the U.S. state of Washington, including Puget Sound, the Puget Sound lowlands, and the surrounding region roughly west of the Cascade Range and east of the Olympic Mountai ...
. Sound Transit Express ranks first in the nation in the number of commuter bus passengers carried and in vehicle miles driven. The first nine routes and 114 buses began carrying passengers on September 19, 1999.
Unlike a typical transit bus, Sound Transit Express routes typically make limited stops as they travel longer distances on the freeways. Most routes operate seven days a week, with runs throughout the day. Where available, buses use
transit-only lanes,
high-occupancy vehicle lanes
A high-occupancy vehicle lane (also known as an HOV lane, carpool lane, diamond lane, 2+ lane, and transit lane or T2 or T3 lanes) is a restricted traffic lane reserved for the exclusive use of vehicles with a driver and one or more passengers, i ...
,
high-occupancy toll lanes,
express lanes and direct access ramps to speed travel times.
While Sound Transit oversees, plans, and funds the service, operation and maintenance of the buses is contracted out to
Community Transit (who
subcontracts with
First Transit
First Transit is an American transportation company.
Headquartered in Cincinnati, Ohio, First Transit operates over 300 locations, carrying more than 350 million passengers annually throughout the United States in 39 states, Puerto Rico, Pan ...
),
King County Metro
King County Metro, officially the King County Metro Transit Department and often shortened to Metro, is the public transit authority of King County, Washington, which includes the city of Seattle. It is the eighth-largest transit bus agency in t ...
and
Pierce Transit.
Fares
ST Express uses a flat fare system, where each ride costs the same regardless of distance.
The fares are as follows:
Paper transfers are not accepted or issued on Sound Transit routes. Passengers who use
ORCA
The orca or killer whale (''Orcinus orca'') is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is the only extant species in the genus '' Orcinus'' and is recognizable by its black-and-white ...
may transfer between ST routes or routes operated by most other agencies within two hours of initial payment. If the fare for the second route is higher, the difference will be charged.
Routes

27 Sound Transit Express bus routes are overseen by the agency.
Buses are operated under contract by King County Metro, Pierce Transit and Community Transit (who
subcontracts with
First Transit
First Transit is an American transportation company.
Headquartered in Cincinnati, Ohio, First Transit operates over 300 locations, carrying more than 350 million passengers annually throughout the United States in 39 states, Puerto Rico, Pan ...
).
When Sound Transit implements a new bus route, changes are frequently made to existing routes that serve the area to avoid overlapping.
The ST Express routes and operators are:
Fleet
Sound Transit owns a fleet of 360 buses
operated by three different local transit agencies. Sound Transit buses are painted white with aqua, turquoise, and blue waves along the sides, representing the
Puget Sound
Puget Sound ( ) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea. It is located along the northwestern coast of the U.S. state of Washington. It is a complex estuarine system of interconnected m ...
region ST Express serves, and most feature a freely-adapted representation of the Sound Transit bus and train system map on the seating fabric.
Occasionally, vehicles that are not in Sound Transit livery are used on Sound Transit routes by the operating agencies. Also, Sound Transit vehicles may also be used by the local agencies for other commuter routes. This is due to vehicles having mechanical problems, vehicle allocation issues, and assignment errors.
Retired fleet
References
External links
ST Express Rider Guide
{{Puget Sound Transit
1999 establishments in Washington (state)
Bus transportation in Washington (state)
Intermodal transportation authorities in Washington (state)
Transit authorities with natural gas buses
Transportation in King County, Washington
Transportation in Pierce County, Washington
Transportation in Snohomish County, Washington