List of Spokane Transit Authority bus routes

This is a list of current routes operated by the mass transit agency Spokane Transit Authority in Spokane, Washington. Spokane Transit Authority operates 52 routes as of November 2025. Routes are organized by route number. Discontinued routes and former versions of existing routes are not listed. Routes are color-coded in accordance with the STA System Map, with green for shuttles, red for high-frequency, blue for basic-frequency, pink for express routes, and lilac for the City Line.
These lists reflect the September 21, 2025 STA service changes.

System organization

Each route is organized by color and number to assist riders navigating Spokane's transit system. In August 2022, Spokane Transit began a standardized coloring system to denote level of service for each route. Route numbers represent the general service areas served. Single digit routes denote high performance transit.

Route type and color	Explanation	Routes
City Line	Spokane's first Bus Rapid Transit line with weekday peak headways of 7.5 to 15 minutes and weekends 15-30 minutes.	1
Frequent Routes	Local service at frequent intervals: every 15 minutes on weekdays and every 15-60 minutes on weekends and nights.	4, 9, 20, 21, 25, 28, 33
Regular Routes	Local service every 30-60 minutes. Night and weekend service varies by route.	14, 22, 23, 27, 31, 32, 34, 35, 36, 43, 45, 61, 62, 63, 65, 68, 93, 94, 95, 96, 97, 98
Regional Routes	High-speed regional links, traveling via freeways and also serving local stops on selected surface streets. Select regional links feature exclusive double-decker bus service.	6, 7, 66, 173, 190, 661, 662, 663, 664, 722, 724, 771
Commuter Routes	Service connecting major destinations via direct, high-speed routing during peak commute times, with some midday trips.	124, 144, 223, 247, 294, 663
Downtown and Seasonal Fairgrounds Shuttles	Targeted shuttle services in the downtown core and during high capacity events at the Spokane County Fairgrounds.	11, 12, 342, 343

Routes 1 to 9 (High Performance Transit)

Single digit routes that provide higher level service to major corridors.

Routes 10 to 19 (Downtown Spokane)

Routes 10-19 provide targeted service in the downtown area.

Routes 20 to 29 (North Spokane)

Routes in the 20's serve North Spokane. Lower numbers are generally more to the West and higher numbers are generally more to the East. Route 4 also serves North Spokane and is listed under Routes 1-9.

Routes 30 to 39 (Crosstown Routes)

Routes in the 30's provide crosstown connections to other major routes, STA Plaza, and/or park and ride locations.

Routes 43 and 45 (South Spokane)

Routes in the 40's provide service to South Spokane. Lower route numbers indicate they are more to the West, and higher route numbers indicate they are more to the East. Route 4 also serves South Spokane and is listed under Routes 1-9.

Routes 60 to 69 (West Plains)

Routes in the 60's provide service to the West Plains area. Routes 6 and 7 also serve the West Plains and are listed under Routes 1-9.

Routes 90 to 99 (Spokane Valley)

Routes in the 90's provide service to the City of Spokane Valley and City of Liberty Lake. Routes 7 and 9 also serve the Spokane Valley and are listed under Routes 1-9.

Routes in 200s (SPS Supplemental Routes)

Routes in the 200's are seasonal routes that supplement the Spokane Public School bus system. Some of these routes operate only on SPS school days.

Routes in 300s (Fairgrounds Shuttle Routes)

Routes in the 300's are limited service routes that support high capacity events taking place at the Spokane County Interstate Fairgrounds. Unlike most other routes, these routes only operate during certain times of the year. These routes only run from the SCC Transit Center to the Spokane County Fairgrounds.