Bus 21 - Watson Rd in Clayton: Stops & Timetable

A bus service operated by Metro St. Louis

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List of stops

Number of stops: 15

Map

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

Timing points All stops

SSM ST Clare Hospital Driveway	05:40	06:40	07:40	08:40	09:40	10:40	11:40	12:40	13:40	14:38	15:41	16:42	17:42	19:02	20:24	21:44	23:04
Bowles @ Fenton Meadows Court Nb	05:42	06:42	07:42	08:42	09:42	10:42	11:42	12:42	13:42	14:40	15:43	16:44	17:44	19:04	20:26	21:46	23:06
Bowles @ Horan Nb	05:43	06:43	07:43	08:43	09:43	10:43	11:43	12:43	13:43	14:41	15:44	16:45	17:45	19:05	20:27	21:47	23:07
Bowles @ Westpark Center Nb	05:44	06:44	07:44	08:44	09:44	10:44	11:44	12:44	13:44	14:42	15:45	16:46	17:46	19:06	20:28	21:48	23:08
South Highway @ Drury INN Eb	05:45	06:45	07:45	08:45	09:45	10:45	11:45	12:45	13:45	14:43	15:45	16:46	17:46	19:06	20:28	21:48	23:08
986 South Highway Eb	05:45	06:45	07:45	08:45	09:45	10:45	11:45	12:45	13:45	14:43	15:46	16:47	17:47	19:07	20:28	21:48	23:08
South Highway @ Larkin Williams Eb	05:46	06:46	07:46	08:46	09:46	10:46	11:46	12:46	13:46	14:44	15:46	16:47	17:47	19:07	20:29	21:49	23:09
Watson @ Sunset Office Eb	05:53	06:53	07:53	08:53	09:53	10:53	11:53	12:53	13:53	14:52	15:53	16:54	17:54	19:14	20:35	21:55	23:15
10216 Watson Eb	05:54	06:54	07:54	08:54	09:54	10:54	11:54	12:54	13:54	14:53	15:54	16:55	17:55	19:15	20:36	21:56	23:16
Watson @ Starling Eb	05:54	06:54	07:54	08:54	09:54	10:54	11:54	12:54	13:54	14:53	15:55	16:56	17:56	19:16	20:37	21:57	23:17
Watson @ Sturdy Eb	05:55	06:55	07:55	08:55	09:55	10:55	11:55	12:55	13:55	14:54	15:55	16:56	17:56	19:16	20:37	21:57	23:17
9834 Watson Eb	05:55	06:55	07:55	08:55	09:55	10:55	11:55	12:55	13:55	14:54	15:56	16:57	17:57	19:17	20:38	21:58	23:18
Watson @ Glenwood Eb	05:56	06:56	07:56	08:56	09:56	10:56	11:56	12:56	13:56	14:55	15:56	16:57	17:57	19:17	20:38	21:58	23:18
Watson @ NEW Sappington Eb	05:57	06:57	07:57	08:57	09:57	10:57	11:57	12:57	13:57	14:56	15:57	16:58	17:58	19:18	20:39	21:59	23:19
Watson @ Park Crestwood Eb	05:58	06:58	07:58	08:58	09:58	10:58	11:58	12:58	13:58	14:57	15:58	16:59	17:59	19:19	20:39	21:59	23:19
9206 Watson Eb	05:58	06:58	07:58	08:58	09:58	10:58	11:58	12:58	13:58	14:57	15:58	16:59	17:59	19:19	20:40	22:00	23:20
Watson @ Brookview Eb	05:58	06:58	07:58	08:58	09:58	10:58	11:58	12:58	13:58	14:58	15:58	16:59	17:59	19:19	20:40	22:00	23:20
Watson @ Grant Eb	05:59	06:59	07:59	08:59	09:59	10:59	11:59	12:59	13:59	14:59	15:59	17:00	18:00	19:20	20:41	22:01	23:21
8742 Watson Eb	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	14:59	16:00	17:01	18:01	19:21	20:42	22:02	23:22
Watson @ Rock Hill Eb	06:01	07:01	08:01	09:01	10:01	11:01	12:01	13:01	14:01	15:00	16:01	17:02	18:02	19:22	20:42	22:02	23:22
Watson @ General Grant Eb	06:01	07:01	08:01	09:01	10:01	11:01	12:01	13:01	14:01	15:01	16:01	17:02	18:02	19:22	20:43	22:03	23:23
Watson @ Cheshire Eb	06:02	07:02	08:02	09:02	10:02	11:02	12:02	13:02	14:02	15:01	16:02	17:03	18:03	19:23	20:43	22:03	23:23
Watson @ Edgar Eb	06:03	07:03	08:03	09:03	10:03	11:03	12:03	13:03	14:03	15:02	16:03	17:03	18:03	19:23	20:44	22:04	23:24
8086 Watson Eb	06:03	07:03	08:03	09:03	10:03	11:03	12:03	13:03	14:03	15:03	16:03	17:04	18:04	19:24	20:44	22:04	23:24
Watson @ Laclede Station Road Eb	06:04	07:04	08:04	09:04	10:04	11:04	12:04	13:04	14:04	15:03	16:04	17:04	18:04	19:24	20:45	22:05	23:25
Watson @ Aldershot Eb	06:04	07:04	08:04	09:04	10:04	11:04	12:04	13:04	14:04	15:04	16:04	17:05	18:05	19:25	20:45	22:05	23:25
7738 Watson Eb	06:05	07:05	08:05	09:05	10:05	11:05	12:05	13:05	14:05	15:05	16:05	17:06	18:06	19:26	20:46	22:06	23:26
7626 Watson Eb	06:06	07:06	08:06	09:06	10:06	11:06	12:06	13:06	14:06	15:06	16:06	17:07	18:07	19:27	20:47	22:07	23:27
Watson @ Trianon Parkway Eb	06:07	07:07	08:07	09:07	10:07	11:07	12:07	13:07	14:07	15:07	16:07	17:07	18:07	19:27	20:48	22:08	23:28
Watson @ Mackenzie Plaza Exit Eb	06:08	07:08	08:08	09:08	10:08	11:08	12:08	13:08	14:08	15:08	16:08	17:09	18:09	19:29	20:49	22:09	23:29
Watson @ Mackenzie Eb	06:09	07:09	08:09	09:09	10:09	11:09	12:09	13:09	14:09	15:09	16:09	17:09	18:09	19:29	20:49	22:09	23:29
Watson @ Weil Eb	06:10	07:10	08:10	09:10	10:10	11:10	12:10	13:10	14:10	15:10	16:10	17:10	18:10	19:30	20:50	22:10	23:30
Shrewsbury-Lansdowne I-44 Transit Center	06:13	07:13	08:13	09:13	10:13	11:13	12:13	13:13	14:13	15:13	16:13	17:13	18:13	19:33	20:53	22:13	23:33

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

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

Last updated on March 24, 2026

Route Path (Streets & Roads)

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

Bowles Avenue - South Highway Drive - Watson Road - General Grant Lane - Watson Road - Chippewa Street - Lansdowne Avenue

Inbound: 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

All data is available in GTFS feed: metro-transit-missouri

Bus 21 FAQ

What time does the 21 bus start operating?

Services on the 21 - Watson Rd bus start at 05:40 on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
What time does the 21 bus stop working?

Services on the 21 - Watson Rd bus stop at 23:33 on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
Is there a 21 bus stop near me?

Click here to view the nearest 21 - Watson Rd bus stop.

21 bus Route Map

PDF Version: 21 timetable, stops and map

21 (Clayton Buses)

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

Additional information: 21 has 33 stops and the total trip duration for this route is approximately 35 minutes.

See why over 2 million users trust and consider busmaps.com as the best public transport website. busmaps gives you Clayton Buses suggested routes, real-time bus tracker, line route maps in Clayton, and helps to find the closest 21 bus stops near you. No internet available? Download an offline PDF map and bus schedule for the 21 bus to take on your trip.

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