Bus 21 - Cardiff Bus Interchange - Cardiff Bus Interchange Schedule in Cardiff

A bus service operated by Cardiff Bus

Click to load interactive map

List of stops

Number of stops: 15

Cardiff Bus Interchange Bay 10 – Cardiff Bus Interchange Bay 10

Timing points All stops

Cardiff Bus Interchange Bay 10	—	07:00	07:27	08:10	08:45	09:15	09:45	10:15	10:45	11:15	11:45	12:15	12:45	13:15	13:45	14:15	14:45	15:15	15:50	16:20	16:50	17:25	17:55	18:40	19:35	20:35	21:35
Westgate Street KN	—	07:00	07:28	08:11	08:46	09:16	09:46	10:16	10:46	11:16	11:46	12:16	12:46	13:16	13:46	14:16	14:46	15:16	15:51	16:21	16:51	17:26	17:56	18:41	19:36	20:36	21:36
Kingsway GA	—	07:02	07:30	08:13	08:48	09:18	09:48	10:18	10:48	11:18	11:48	12:18	12:48	13:18	13:48	14:19	14:49	15:19	15:54	16:24	16:54	17:29	17:59	18:43	19:38	20:38	21:38
Corbett Road	—	07:04	07:33	08:16	08:50	09:20	09:50	10:20	10:50	11:20	11:50	12:20	12:50	13:20	13:50	14:22	14:52	15:22	15:57	16:27	16:57	17:32	18:02	18:46	19:41	20:40	21:40
Blackweir	—	07:07	07:35	08:19	08:53	09:23	09:53	10:23	10:53	11:23	11:53	12:23	12:53	13:23	13:53	14:25	14:55	15:25	16:00	16:30	17:00	17:35	18:05	18:49	19:44	20:43	21:43
Maindy Stadium	—	07:08	07:37	08:21	08:54	09:24	09:54	10:24	10:54	11:24	11:54	12:24	12:54	13:24	13:54	14:26	14:56	15:26	16:01	16:31	17:01	17:36	18:06	18:51	19:45	20:44	21:44
Parkfield Place	—	07:08	07:38	08:22	08:55	09:25	09:55	10:25	10:55	11:25	11:55	12:25	12:55	13:25	13:55	14:28	14:58	15:28	16:03	16:33	17:03	17:38	18:08	18:52	19:46	20:45	21:45
North Road Clinic	—	07:09	07:39	08:23	08:56	09:26	09:56	10:26	10:56	11:26	11:56	12:26	12:56	13:26	13:56	14:29	14:59	15:29	16:04	16:34	17:04	17:39	18:09	18:53	19:47	20:46	21:46
Cross Inn	—	07:12	07:42	08:27	08:59	09:29	09:59	10:29	10:59	11:29	11:59	12:29	12:59	13:29	13:59	14:33	15:03	15:33	16:08	16:38	17:08	17:43	18:13	18:57	19:51	20:49	21:49
Birchgrove Stop 1	06:40	07:13	07:43	08:28	09:00	09:30	10:00	10:30	11:00	11:30	12:00	12:30	13:00	13:30	14:00	14:34	15:04	15:34	16:09	16:39	17:09	17:44	18:14	18:58	19:52	20:50	21:50
Pantbach Avenue	06:41	07:14	07:44	08:29	09:01	09:31	10:01	10:31	11:01	11:31	12:01	12:31	13:01	13:31	14:01	14:35	15:05	15:35	16:10	16:40	17:10	17:45	18:15	18:59	19:53	20:51	21:51
Welwyn Road	06:42	07:15	07:46	08:31	09:03	09:33	10:03	10:33	11:03	11:33	12:03	12:33	13:03	13:33	14:03	14:37	15:07	15:37	16:12	16:42	17:12	17:47	18:17	19:00	19:54	20:52	21:52
Kyle Avenue	06:43	07:16	07:47	08:32	09:05	09:35	10:05	10:35	11:05	11:35	12:05	12:35	13:05	13:35	14:05	14:38	15:08	15:38	16:13	16:43	17:13	17:48	18:18	19:01	19:55	20:53	21:53
Rhiwbina Station	06:44	07:18	07:49	08:34	09:07	09:37	10:07	10:37	11:07	11:37	12:07	12:37	13:07	13:37	14:07	14:40	15:10	15:40	16:15	16:45	17:15	17:50	18:20	19:03	19:57	20:54	21:54
Olive Branch	06:44	07:18	07:50	08:35	09:08	09:38	10:08	10:38	11:08	11:38	12:08	12:38	13:08	13:38	14:08	14:40	15:11	15:41	16:16	16:46	17:16	17:51	18:21	19:03	19:57	20:54	21:54
Lon-y-Rhyd	06:46	07:20	07:51	08:36	09:09	09:39	10:09	10:39	11:09	11:39	12:09	12:39	13:09	13:39	14:09	14:42	15:12	15:42	16:17	16:47	17:17	17:52	18:22	19:05	19:59	20:55	21:55
Heol y Deri	06:47	07:20	07:52	08:37	09:10	09:40	10:10	10:40	11:10	11:40	12:10	12:40	13:10	13:40	14:10	14:43	15:13	15:43	16:18	16:48	17:18	17:53	18:23	19:06	19:59	20:56	21:56
Heol Nant Castan	06:47	07:21	07:53	08:38	09:11	09:41	10:11	10:41	11:11	11:41	12:11	12:41	13:11	13:41	14:11	14:43	15:14	15:44	16:19	16:49	17:19	17:54	18:24	19:06	20:00	20:56	21:56
Heol Llanishen Fach	06:48	07:22	07:54	08:39	09:12	09:42	10:12	10:42	11:12	11:42	12:12	12:42	13:12	13:42	14:12	14:44	15:15	15:45	16:20	16:50	17:20	17:55	18:25	19:07	20:01	20:57	21:57
Heol Uchaf Spar	06:48	07:22	07:54	08:39	09:12	09:42	10:12	10:42	11:12	11:42	12:12	12:42	13:12	13:42	14:12	14:44	15:15	15:45	16:20	16:50	17:20	17:55	18:25	19:07	20:01	20:57	21:57
Heol Lewis	06:49	07:23	07:56	08:41	09:13	09:43	10:13	10:43	11:13	11:43	12:13	12:43	13:13	13:43	14:13	14:45	15:17	15:47	16:22	16:52	17:22	17:57	18:27	19:08	20:02	20:57	21:57
Gron Ffordd	06:50	07:23	07:57	08:42	09:14	09:44	10:14	10:44	11:14	11:44	12:14	12:44	13:14	13:44	14:14	14:46	15:18	15:48	16:23	16:53	17:23	17:58	18:28	19:09	20:02	20:58	21:58
Wenallt Road	06:51	07:24	07:58	08:43	09:15	09:45	10:15	10:45	11:15	11:45	12:15	12:45	13:15	13:45	14:15	14:47	15:19	15:49	16:24	16:54	17:24	17:59	18:29	19:10	20:03	20:58	21:58
Lon Ysgubor	06:52	07:25	07:59	08:44	09:16	09:46	10:16	10:46	11:16	11:46	12:16	12:46	13:16	13:46	14:16	14:48	15:20	15:50	16:25	16:55	17:25	18:00	18:30	19:11	20:04	20:59	21:59
The Deri	06:53	07:26	08:00	08:45	09:17	09:47	10:17	10:47	11:17	11:47	12:17	12:47	13:17	13:47	14:17	14:49	15:21	15:51	16:26	16:56	17:26	18:01	18:31	19:12	20:05	21:00	22:00
Rhiwbina Hill	06:54	07:28	08:03	08:47	09:19	09:49	10:19	10:49	11:19	11:49	12:19	12:49	13:19	13:49	14:19	14:51	15:23	15:53	16:28	16:58	17:28	18:03	18:33	19:13	20:06	21:01	22:01
Caer Wenallt North	06:56	07:30	08:05	08:49	09:20	09:50	10:20	10:50	11:20	11:50	12:20	12:50	13:20	13:50	14:20	14:52	15:24	15:54	16:29	16:59	17:29	18:04	18:34	19:15	20:08	21:03	22:03
Caer Wenallt South	06:57	07:32	08:07	08:51	09:22	09:52	10:22	10:52	11:22	11:52	12:22	12:52	13:22	13:52	14:22	14:54	15:26	15:56	16:31	17:01	17:31	18:06	18:36	19:16	20:09	21:04	22:04
Heol Pant Y Rhyn	06:58	07:33	08:09	08:53	09:23	09:53	10:23	10:53	11:23	11:53	12:23	12:53	13:23	13:53	14:23	14:55	15:27	15:57	16:32	17:02	17:32	18:07	18:37	19:17	20:10	21:05	22:05
Hollybush Inn	06:59	07:34	08:11	08:54	09:24	09:54	10:24	10:54	11:24	11:54	12:24	12:54	13:24	13:54	14:24	14:56	15:28	15:58	16:33	17:03	17:33	18:08	18:38	19:18	20:11	21:06	22:06
Whitchurch Hospital	07:00	07:37	08:14	08:56	09:26	09:56	10:26	10:56	11:26	11:56	12:26	12:56	13:26	13:56	14:26	14:58	15:30	16:00	16:35	17:05	17:35	18:10	18:40	19:19	20:12	21:07	22:07
Whitchurch Library	07:02	07:39	08:16	08:58	09:27	09:57	10:27	10:57	11:27	11:57	12:27	12:57	13:27	13:57	14:27	15:00	15:31	16:01	16:36	17:06	17:36	18:11	18:41	19:21	20:14	21:09	22:09
Plas y Llan	07:03	07:40	08:18	09:00	09:29	09:59	10:29	10:59	11:29	11:59	12:29	12:59	13:29	13:59	14:29	15:01	15:33	16:03	16:38	17:08	17:38	18:13	18:43	19:22	20:15	21:10	22:10
Merthyr Road Shops	07:04	07:41	08:20	09:01	09:30	10:00	10:30	11:00	11:30	12:00	12:30	13:00	13:30	14:00	14:30	15:03	15:34	16:04	16:39	17:09	17:39	18:14	18:44	19:23	20:16	21:11	22:11
Three Elms	07:06	07:44	08:23	09:04	09:32	10:02	10:32	11:02	11:32	12:02	12:32	13:02	13:32	14:02	14:32	15:05	15:36	16:06	16:41	17:11	17:41	18:16	18:46	19:25	20:18	21:13	22:13
Ararat Church	07:06	07:44	08:24	09:04	09:32	10:02	10:32	11:02	11:32	12:02	12:32	13:02	13:32	14:02	14:32	15:05	15:36	16:06	16:41	17:11	17:41	18:16	18:46	19:25	20:18	21:13	22:13
The Philog	07:08	07:46	08:26	09:06	09:34	10:04	10:34	11:04	11:34	12:04	12:34	13:04	13:34	14:04	14:34	15:06	15:38	16:08	16:43	17:13	17:43	18:18	18:48	19:27	20:20	21:14	22:14
Cross Inn	07:09	07:47	08:28	09:07	09:35	10:05	10:35	11:05	11:35	12:05	12:35	13:05	13:35	14:05	14:35	15:07	15:39	16:09	16:44	17:14	17:44	18:19	18:49	19:28	20:21	21:15	22:15
St Josephs Convent	07:12	07:51	08:32	09:10	09:38	10:08	10:38	11:08	11:38	12:08	12:38	13:08	13:38	14:08	14:38	15:10	15:43	16:13	16:48	17:18	17:48	18:23	18:53	19:31	20:24	21:18	22:18
Cathays High School	07:14	07:53	08:35	09:12	09:40	10:10	10:40	11:10	11:40	12:10	12:40	13:10	13:40	14:10	14:40	15:12	15:45	16:15	16:50	17:20	17:50	18:25	18:55	19:33	20:26	21:20	22:20
Blackweir	07:15	07:54	08:37	09:14	09:42	10:12	10:42	11:12	11:42	12:12	12:42	13:12	13:42	14:12	14:42	15:14	15:47	16:17	16:52	17:22	17:52	18:27	18:57	19:35	20:27	21:21	22:21
Rosemount	07:17	07:56	08:39	09:16	09:44	10:14	10:44	11:14	11:44	12:14	12:44	13:14	13:44	14:14	14:44	15:16	15:49	16:19	16:54	17:24	17:54	18:29	18:59	19:37	20:29	21:23	22:23
College Road RK	07:18	07:57	08:41	09:18	09:46	10:16	10:46	11:16	11:46	12:16	12:46	13:16	13:46	14:16	14:46	15:18	15:51	16:21	16:56	17:26	17:56	18:31	19:01	19:39	20:30	21:24	22:24
Law Courts RJ	07:19	07:58	08:43	09:20	09:48	10:18	10:48	11:18	11:48	12:18	12:48	13:18	13:48	14:18	14:48	15:20	15:53	16:23	16:58	17:28	17:58	18:33	19:03	19:41	20:31	21:25	22:25
Kingsway GR	07:20	07:59	08:44	09:21	09:49	10:19	10:49	11:19	11:49	12:19	12:49	13:19	13:49	14:19	14:49	15:21	15:54	16:24	16:59	17:29	17:59	18:34	19:04	19:42	20:32	21:26	22:26
Westgate Street KG	07:22s	08:01s	08:48s	09:25s	09:53s	10:23s	10:53s	11:23s	11:53s	12:23s	12:53s	13:23s	13:53s	14:23s	14:53s	15:25s	15:58s	16:28s	17:03s	17:33s	18:03s	18:38s	19:08s	19:46	20:34s	21:28s	22:28s
Cardiff Bus Interchange Bay 10	07:24	08:03	08:50	09:27	09:55	10:25	10:55	11:25	11:55	12:25	12:55	13:25	13:55	14:25	14:55	15:27	16:00	16:30	17:05	17:35	18:05	18:40	19:10	19:48	20:36	21:30	22:30

Times marked with "—" indicate that the vehicle does not stop at this stop.

Times marked s - "set down only" - the vehicle will only stop to drop passengers off.

Times marked with "—" indicate that the vehicle does not stop at this stop.

Times marked s - "set down only" - the vehicle will only stop to drop passengers off.

Route Path (Streets & Roads)

Cardiff Bus Interchange Bay 10 – Cardiff Bus Interchange Bay 10

Central Square - Westgate Street - Kingsway - North Road - Herbert Street - Parkfield Place - North Road - Caerphilly Road - Pantbach Avenue - Pantbach Road - Heol y Deri - Heol Llanishen Fach - Heol Uchaf - Wenallt Road - Rhiwbina Hill - Pantmawr Road - Heol Pant y Rhyn - Pantmawr Road - Park Road - Penlline Road - Merthyr Road - The Philog - Merthyr Road - North Road - Kingsway - Westgate Street - Central Square

Schedules and stops for this route are published in GTFS: great-britain, dft-gtfs

Bus 21 FAQ

What time does the 21 bus start operating?

Services on the 21 - Cardiff Bus Interchange - Cardiff Bus Interchange bus start at 06:40 on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
What time does the 21 bus stop working?

Services on the 21 - Cardiff Bus Interchange - Cardiff Bus Interchange bus stop at 22:30 on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
Is there a 21 bus stop near me?

Click here to view the nearest 21 - Cardiff Bus Interchange - Cardiff Bus Interchange bus stop.

21 (Cardiff Buses)

The first stop of the 21 bus route is Cardiff Bus Interchange Bay 10 and the last stop is Cardiff Bus Interchange Bay 10. 21 (Cardiff Bus Interchange - Cardiff Bus Interchange) is operational during everyday.

Additional information: 21 has 47 stops. The total trip duration for this route is approximately 83 minutes.

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

21 bus near me

Similar Routes & Alternatives to 21

Looking for alternatives to 21? Discover top-rated routes that share similar paths and stops. Compare schedules and find a backup route for your journey.

23 - Cardiff Bus Interchange - Cardiff Bus Interchange

97%

Last updated on August 10, 2026

Bus 21 - Cardiff Bus Interchange - Cardiff Bus Interchange Schedule in Cardiff

Cardiff Bus Interchange Bay 10 – Cardiff Bus Interchange Bay 10

Route Path (Streets & Roads)

Bus 21 FAQ

What time does the 21 bus start operating?

What time does the 21 bus stop working?

Is there a 21 bus stop near me?

21 (Cardiff Buses)

Similar Routes & Alternatives to 21