Never miss the bus again.
Download Momego.
Scroll down to view upcoming departure times for Metro Transit 121 bus route at each stop. Real-time updates and step-by-step directions are also available in the Momego app.
Burien Transit Center - Bay 5
Sr 509 & S 128th St
East Marginal Way S & S Lucile St
113
East Marginal Way S & S Hudson St
113
East Marginal Way S & S Alaska St
113
East Marginal Way S & Diagonal Ave S
113
East Marginal Way S & S Idaho St
113
Alaskan Way S & S Jackson St
21
56
57
113
125
C Line
H Line
Alaskan Way & Columbia St
21
56
57
113
125
C Line
H Line
Waterfront Shuttle
3rd Ave & Madison St
5
17
21
24
27
28
33
40
56
57
62
113
124
131
132
547
570
H Line
3rd Ave & Union St
5
17
21
24
27
28
33
40
56
57
62
113
124
131
132
547
570
H Line
3rd Ave & Pine St
5
17
21
24
27
28
33
40
56
57
62
124
131
132
547
570
H Line
3rd Ave & Virginia St
1
2
3
4
5
13
14
17
21
24
28
33
40
62
124
131
132
C Line
D Line
E Line
H Line
3rd Ave & Bell St
1
2
4
5
13
17
24
28
33
124
131
132
D Line
E Line
3rd Ave & Bell St
1
2
3
4
13
14
17
21
24
27
33
56
57
113
124
131
132
D Line
E Line
3rd Ave & Virginia St
1
2
3
4
13
14
17
21
24
27
33
40
56
57
62
113
124
131
132
C Line
D Line
E Line
H Line
3rd Ave & Pike St
24
27
33
113
124
125
131
132
H Line
3rd Ave & Seneca St
21
24
27
33
56
57
113
124
125
131
132
C Line
D Line
E Line
H Line
3rd Ave & Columbia St
21
56
57
113
125
C Line
H Line
Columbia St & Alaskan Way
21
56
57
113
125
C Line
H Line
Alaskan Way S & S Jackson St
21
56
57
113
125
C Line
H Line
East Marginal Way S & S Idaho St
113
East Marginal Way S & Diagonal Ave S
113
East Marginal Way S & S Alaska St
113
East Marginal Way S & S Hudson St
113
East Marginal Way S & S Lucile St
113
Sr 509 & S 128th St
Burien Transit Center - Bay 5
Upcoming trips on the Metro Transit 121 bus route run approximately every 15-30 minutes, and you can view exact departure times and see how often the bus runs throughout the day by opening the Momego app and browsing the full schedule.
Download the Momego app to track your bus live on a map, see real-time updates, and stay informed about any changes to the Metro Transit 121 bus schedule.
Open the Momego app to see detailed information about any active service disruptions affecting the 121 bus route, such as detours, stop changes, trip cancellations, or major delays. You can also subscribe to service alerts from Metro Transit in the app, so you’ll be notified of any current or upcoming disruptions and can plan your journey with confidence.
There are 14 bus stops on the Metro Transit 121 route.
In select cities, the Momego app shows real-time crowding levels for routes like the Metro Transit 121 bus route. You can even see predictions of how busy the bus is likely to be when it reaches your stop.
Open the Momego app to see your location on the map and instantly find the nearest stop for the Metro Transit 121 bus route.