21 Bus - Watson Rd

A bus service operated by Metro St. Louis

List of stops

Number of stops: 35

Shrewsbury-Lansdowne I-44 Transit Center ➞ SSM ST Clare Hospital Driveway

Timing points All stops

Shrewsbury-Lansdowne I-44 Transit Center	05:09	06:09	07:09	08:09	09:09	10:09	11:09	12:09	13:09	14:09	15:09	16:09	17:09	18:29	19:49	21:09	22:29	00:09 +1
Weil @ River DES Peres Sb	05:10	06:10	07:10	08:10	09:10	10:10	11:10	12:10	13:10	14:10	15:10	16:10	17:10	18:30	19:50	21:10	22:30	00:10 +1
Watson @ Creighton Wb	05:10	06:10	07:11	08:11	09:11	10:11	11:11	12:11	13:11	14:11	15:11	16:11	17:11	18:31	19:50	21:10	22:30	00:10 +1
7221 Watson Wb	05:11	06:11	07:11	08:11	09:11	10:11	11:11	12:11	13:11	14:11	15:11	16:11	17:11	18:31	19:51	21:11	22:31	00:11 +1
Watson @ Mackenzie Wb	05:11	06:11	07:11	08:11	09:11	10:11	11:11	12:11	13:11	14:11	15:11	16:11	17:11	18:31	19:51	21:11	22:31	00:11 +1
Watson @ Mackenzie Plaza Exit Wb	05:11	06:11	07:12	08:12	09:12	10:12	11:12	12:12	13:12	14:12	15:12	16:12	17:12	18:32	19:51	21:11	22:31	00:11 +1
Watson @ Trianon Parkway Wb	05:12	06:12	07:13	08:13	09:13	10:13	11:13	12:13	13:13	14:13	15:13	16:13	17:13	18:33	19:52	21:12	22:32	00:12 +1
7601 Watson Wb	05:13	06:13	07:13	08:13	09:13	10:13	11:13	12:13	13:13	14:13	15:14	16:13	17:13	18:33	19:53	21:13	22:33	00:13 +1
Watson @ Ravensridge Wb	05:14	06:14	07:14	08:14	09:14	10:14	11:14	12:14	13:14	14:14	15:14	16:14	17:14	18:34	19:54	21:14	22:34	00:14 +1
Watson @ Wimbledon Wb	05:14	06:14	07:15	08:15	09:15	10:15	11:15	12:15	13:15	14:15	15:15	16:15	17:15	18:35	19:54	21:14	22:34	00:14 +1
Watson @ Pembroke Wb	05:15	06:15	07:15	08:15	09:15	10:15	11:15	12:15	13:15	14:15	15:16	16:15	17:15	18:35	19:55	21:15	22:35	00:15 +1
Watson @ Laclede Station Road Wb	05:15	06:15	07:15	08:15	09:15	10:15	11:15	12:15	13:15	14:15	15:16	16:15	17:15	18:35	19:55	21:15	22:35	00:15 +1
Watson @ Culverhill Wb	05:16	06:16	07:16	08:16	09:16	10:16	11:16	12:16	13:16	14:16	15:17	16:16	17:16	18:36	19:56	21:16	22:36	00:16 +1
Watson @ Edgar Wb	05:16	06:16	07:16	08:16	09:16	10:16	11:16	12:16	13:16	14:16	15:17	16:16	17:16	18:36	19:56	21:16	22:36	00:16 +1
Watson @ Cheshire Wb	05:17	06:17	07:17	08:17	09:17	10:17	11:17	12:17	13:17	14:17	15:18	16:17	17:17	18:37	19:57	21:17	22:37	00:17 +1
8457 Watson Wb	05:17	06:17	07:17	08:17	09:17	10:17	11:17	12:17	13:17	14:17	15:18	16:17	17:17	18:37	19:57	21:17	22:37	00:17 +1
8567 Watson Wb	05:17	06:17	07:18	08:18	09:18	10:18	11:18	12:18	13:18	14:18	15:19	16:18	17:18	18:38	19:57	21:17	22:37	00:17 +1
8749 Watson Wb	05:18	06:18	07:19	08:19	09:19	10:19	11:19	12:19	13:19	14:19	15:20	16:19	17:19	18:39	19:58	21:18	22:38	00:18 +1
Watson @ Grant Wb	05:19	06:19	07:19	08:19	09:19	10:19	11:19	12:19	13:19	14:19	15:20	16:19	17:19	18:39	19:59	21:19	22:39	00:19 +1
Watson @ Watson Industrial Park Wb	05:19	06:19	07:20	08:20	09:20	10:20	11:20	12:20	13:20	14:20	15:21	16:20	17:20	18:40	19:59	21:19	22:39	00:19 +1
Watson @ Park Crestwood Wb	05:20	06:20	07:21	08:21	09:21	10:21	11:21	12:21	13:21	14:21	15:22	16:21	17:21	18:41	20:00	21:20	22:40	00:20 +1
Watson @ Sappington Wb	05:22	06:22	07:23	08:23	09:23	10:23	11:23	12:23	13:23	14:23	15:24	16:23	17:23	18:43	20:02	21:22	22:42	00:22 +1
Watson @ Glenwood Wb	05:22	06:22	07:23	08:23	09:23	10:23	11:23	12:23	13:23	14:23	15:24	16:23	17:23	18:43	20:02	21:22	22:42	00:22 +1
9833 Watson Wb	05:22	06:22	07:23	08:23	09:23	10:23	11:23	12:23	13:23	14:23	15:24	16:23	17:23	18:43	20:02	21:22	22:42	00:22 +1
Watson @ Sturdy Wb	05:22	06:22	07:24	08:24	09:24	10:24	11:24	12:24	13:24	14:24	15:25	16:24	17:24	18:44	20:03	21:23	22:43	00:23 +1
Watson @ Starling Wb	05:23	06:23	07:24	08:24	09:24	10:24	11:24	12:24	13:24	14:24	15:25	16:24	17:24	18:44	20:03	21:23	22:43	00:23 +1
Watson @ Windward Ridge Wb	05:23	06:23	07:24	08:24	09:24	10:24	11:24	12:24	13:24	14:24	15:25	16:24	17:24	18:44	20:03	21:23	22:43	00:23 +1
10415 Watson Wb	05:23	06:23	07:25	08:25	09:25	10:25	11:25	12:25	13:25	14:25	15:26	16:25	17:25	18:45	20:04	21:24	22:44	00:24 +1
Watson @ Sunset Office Wb	05:24	06:24	07:25	08:25	09:25	10:25	11:25	12:25	13:25	14:25	15:26	16:25	17:26	18:46	20:04	21:24	22:44	00:24 +1
North Highway @ Hitzert Court Wb	05:28	06:28	07:30	08:30	09:30	10:30	11:30	12:30	13:30	14:30	15:31	16:30	17:31	18:51	20:09	21:29	22:49	00:29 +1
North Highway @ William Long Wb	05:30	06:30	07:31	08:31	09:31	10:31	11:31	12:31	13:31	14:31	15:32	16:31	17:32	18:52	20:10	21:30	22:50	00:30 +1
Bowles @ Westpark Center Sb	05:31	06:31	07:33	08:33	09:33	10:33	11:33	12:33	13:33	14:33	15:34	16:33	17:34	18:54	20:12	21:32	22:52	00:32 +1
Bowles @ Horan Sb	05:32	06:32	07:34	08:34	09:34	10:34	11:34	12:34	13:34	14:34	15:35	16:34	17:35	18:55	20:13	21:33	22:53	00:33 +1
Bowles @ Fenton Meadows Court Sb	05:33	06:33	07:35	08:35	09:35	10:35	11:35	12:35	13:35	14:35	15:36	16:35	17:36	18:56	20:14	21:34	22:54	00:34 +1
SSM ST Clare Hospital Driveway	05:34	06:34	07:36	08:36	09:36	10:36	11:36	12:36	13:36	14:36	15:37	16:36	17:37	18:57	20:15	21:35	22:55	00:35 +1

All trips in this timetable are wheelchair accessible.

The schedule is provided in the local timezone. Times with "(+1)" indicate departures on the next day.

Stlcc Meramec ➞ Shrewsbury-Lansdowne I-44 Transit Center

Timing points All stops

Stlcc Meramec	04:58	06:16	07:16	08:16	09:16	10:16	11:16	12:16	13:16	14:16	15:14	16:14	17:16	18:28	19:48	21:08	22:30	23:36
BIG Bend @ Maeville Eb	04:59	06:18	07:18	08:18	09:18	10:18	11:18	12:18	13:18	14:18	15:16	16:16	17:18	18:29	19:49	21:09	22:31	23:37
BIG Bend @ Maryhurst Eb	05:00	06:18	07:18	08:18	09:18	10:18	11:18	12:18	13:18	14:18	15:17	16:17	17:18	18:30	19:50	21:10	22:32	23:38
Kirkwood @ BIG Bend Sb	05:01	06:19	07:19	08:19	09:19	10:19	11:19	12:19	13:19	14:19	15:18	16:18	17:19	18:31	19:51	21:11	22:33	23:39
Lindbergh @ Kirkwood Crossing Sb	05:01	06:20	07:20	08:20	09:20	10:20	11:20	12:20	13:20	14:20	15:18	16:18	17:20	18:31	19:51	21:11	22:33	23:39
Lindbergh @ Sunset Office Sb	05:03	06:21	07:21	08:21	09:21	10:21	11:21	12:21	13:21	14:21	15:20	16:20	17:21	18:33	19:53	21:13	22:34	23:40
10216 Watson Eb	05:04	06:23	07:23	08:23	09:23	10:23	11:23	12:23	13:23	14:23	15:22	16:22	17:23	18:34	19:54	21:14	22:36	23:42
Watson @ Starling Eb	05:05	06:24	07:24	08:24	09:24	10:24	11:24	12:24	13:24	14:24	15:22	16:22	17:24	18:35	19:55	21:15	22:36	23:42
Watson @ Sturdy Eb	05:05	06:24	07:24	08:24	09:24	10:24	11:24	12:24	13:24	14:24	15:23	16:23	17:24	18:35	19:55	21:15	22:37	23:43
9834 Watson Eb	05:06	06:25	07:25	08:25	09:25	10:25	11:25	12:25	13:25	14:25	15:24	16:24	17:25	18:36	19:56	21:16	22:37	23:43
Watson @ Glenwood Eb	05:07	06:26	07:26	08:26	09:26	10:26	11:26	12:26	13:26	14:26	15:25	16:25	17:26	18:37	19:57	21:17	22:38	23:44
Watson @ NEW Sappington Eb	05:08	06:27	07:27	08:27	09:27	10:27	11:27	12:27	13:27	14:27	15:26	16:26	17:27	18:38	19:58	21:18	22:39	23:45
Watson @ Park Crestwood Eb	05:09	06:28	07:28	08:28	09:28	10:28	11:28	12:28	13:28	14:28	15:27	16:27	17:28	18:39	19:59	21:19	22:39	23:45
9206 Watson Eb	05:09	06:28	07:28	08:28	09:28	10:28	11:28	12:28	13:28	14:28	15:27	16:27	17:28	18:39	19:59	21:19	22:40	23:46
Watson @ Brookview Eb	05:09	06:28	07:28	08:28	09:28	10:28	11:28	12:28	13:28	14:28	15:28	16:28	17:28	18:39	19:59	21:19	22:40	23:46
Watson @ Grant Eb	05:10	06:29	07:29	08:29	09:29	10:29	11:29	12:29	13:29	14:29	15:29	16:29	17:29	18:40	20:00	21:20	22:41	23:47
8742 Watson Eb	05:11	06:30	07:30	08:30	09:30	10:30	11:30	12:30	13:30	14:30	15:29	16:29	17:30	18:41	20:01	21:21	22:42	23:48
Watson @ Rock Hill Eb	05:12	06:31	07:31	08:31	09:31	10:31	11:31	12:31	13:31	14:31	15:30	16:30	17:31	18:42	20:02	21:22	22:42	23:48
Watson @ General Grant Eb	05:12	06:31	07:31	08:31	09:31	10:31	11:31	12:31	13:31	14:31	15:31	16:31	17:31	18:42	20:02	21:22	22:43	23:49
Watson @ Cheshire Eb	05:13	06:32	07:32	08:32	09:32	10:32	11:32	12:32	13:32	14:32	15:31	16:31	17:32	18:43	20:03	21:23	22:43	23:49
Watson @ Edgar Eb	05:13	06:33	07:33	08:33	09:33	10:33	11:33	12:33	13:33	14:33	15:32	16:32	17:33	18:43	20:03	21:23	22:44	23:50
8086 Watson Eb	05:14	06:33	07:33	08:33	09:33	10:33	11:33	12:33	13:33	14:33	15:33	16:33	17:33	18:44	20:04	21:24	22:44	23:50
Watson @ Laclede Station Road Eb	05:14	06:34	07:34	08:34	09:34	10:34	11:34	12:34	13:34	14:34	15:33	16:33	17:34	18:44	20:04	21:24	22:45	23:51
Watson @ Aldershot Eb	05:15	06:34	07:34	08:34	09:34	10:34	11:34	12:34	13:34	14:34	15:34	16:34	17:34	18:45	20:05	21:25	22:45	23:51
7738 Watson Eb	05:16	06:35	07:35	08:35	09:35	10:35	11:35	12:35	13:35	14:35	15:35	16:35	17:35	18:46	20:06	21:26	22:46	23:52
7626 Watson Eb	05:17	06:36	07:36	08:36	09:36	10:36	11:36	12:36	13:36	14:36	15:36	16:36	17:36	18:47	20:07	21:27	22:47	23:53
Watson @ Trianon Parkway Eb	05:17	06:37	07:37	08:37	09:37	10:37	11:37	12:37	13:37	14:37	15:37	16:37	17:37	18:47	20:07	21:27	22:48	23:54
Watson @ Mackenzie Plaza Exit Eb	05:19	06:38	07:38	08:38	09:38	10:38	11:38	12:38	13:38	14:38	15:38	16:38	17:38	18:49	20:09	21:29	22:49	23:55
Watson @ Mackenzie Eb	05:19	06:39	07:39	08:39	09:39	10:39	11:39	12:39	13:39	14:39	15:39	16:39	17:39	18:49	20:09	21:29	22:49	23:55
Watson @ Weil Eb	05:20	06:40	07:40	08:40	09:40	10:40	11:40	12:40	13:40	14:40	15:40	16:40	17:40	18:50	20:10	21:30	22:50	23:56
Shrewsbury-Lansdowne I-44 Transit Center	05:23	06:43	07:43	08:43	09:43	10:43	11:43	12:43	13:43	14:43	15:43	16:43	17:43	18:53	20:13	21:33	22:53	23:59

All trips in this timetable are wheelchair accessible.

The schedule is provided in the local timezone. Times with "(+1)" indicate departures on the next day.

Route Path (Streets & Roads)

Outbound: Shrewsbury-Lansdowne I-44 Transit Center ➞ SSM ST Clare Hospital Driveway

Lansdowne Avenue - Weil Avenue - Chippewa Street - Watson Road - North Highway Drive - William Long Boulevard - Bowles Avenue

Inbound: Stlcc Meramec ➞ Shrewsbury-Lansdowne I-44 Transit Center

Big Bend Road - South Kirkwood Road - Watson Road - General Grant Lane - Watson Road - Chippewa Street - Lansdowne Avenue

Schedules and stops for this route are published in GTFS: metro-transit-missouri

Frequently asked questions about route 21

What time does route 21 start operating?
Services on route 21 start at 05:09 every day.
What time does route 21 stop operating?
Services on route 21 end at 00:35 ⁺¹ every day.
Is there a stop for route 21 near me?
View the nearest stop for route 21.

21 (Clayton Buses)

The first stop of the 21 bus route is Shrewsbury-Lansdowne I-44 Transit Center and the last stop is SSM ST Clare Hospital Driveway. 21 (Watson Rd) is operational during everyday.

Additional information: 21 has 35 stops. The total trip duration for this route is approximately 28 minutes.

More than 5 million users trust busmaps.com for public transport information. Find suggested Buses routes in Clayton, real-time vehicle tracking, route maps, nearby stops, and offline PDF schedules.

21 bus near me

Last updated on November 13, 2026

21 Bus - Watson Rd

Shrewsbury-Lansdowne I-44 Transit Center ➞ SSM ST Clare Hospital Driveway

Stlcc Meramec ➞ Shrewsbury-Lansdowne I-44 Transit Center

Route Path (Streets & Roads)

Frequently asked questions about route 21

What time does route 21 start operating?

What time does route 21 stop operating?

Is there a stop for route 21 near me?

21 (Clayton Buses)