21
Cardiff Bus
21 bus timetable: Cardiff Bus Interchange circular
Cardiff Bus Interchange circular
Route map
21 live route map
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47 stops
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Cardiff Bus Interchange → Cardiff Bus Interchange
162 trips · first 06:40 · last 21:38
Fri
Live Valid 2026-06-05 – 2027-05-12
Swipe sideways to see later trips.
Stop
06:40
Cardiff Bus Interchange
06:40
Cardiff Bus Interchange
06:40
Cardiff Bus Interchange
06:40
Cardiff Bus Interchange
06:40
Cardiff Bus Interchange
06:40
Cardiff Bus Interchange
07:00
Cardiff Bus Interchange
07:00
Cardiff Bus Interchange
07:00
Cardiff Bus Interchange
07:00
Cardiff Bus Interchange
07:00
Cardiff Bus Interchange
07:00
Cardiff Bus Interchange
07:27
Cardiff Bus Interchange
07:27
Cardiff Bus Interchange
07:27
Cardiff Bus Interchange
07:27
Cardiff Bus Interchange
07:27
Cardiff Bus Interchange
07:27
Cardiff Bus Interchange
08:10
Cardiff Bus Interchange
08:10
Cardiff Bus Interchange
08:10
Cardiff Bus Interchange
08:10
Cardiff Bus Interchange
08:10
Cardiff Bus Interchange
08:10
Cardiff Bus Interchange
08:45
Cardiff Bus Interchange
08:45
Cardiff Bus Interchange
08:45
Cardiff Bus Interchange
08:45
Cardiff Bus Interchange
08:45
Cardiff Bus Interchange
08:45
Cardiff Bus Interchange
09:15
Cardiff Bus Interchange
09:15
Cardiff Bus Interchange
09:15
Cardiff Bus Interchange
09:15
Cardiff Bus Interchange
09:15
Cardiff Bus Interchange
09:15
Cardiff Bus Interchange
09:45
Cardiff Bus Interchange
09:45
Cardiff Bus Interchange
09:45
Cardiff Bus Interchange
09:45
Cardiff Bus Interchange
09:45
Cardiff Bus Interchange
09:45
Cardiff Bus Interchange
10:15
Cardiff Bus Interchange
10:15
Cardiff Bus Interchange
10:15
Cardiff Bus Interchange
10:15
Cardiff Bus Interchange
10:15
Cardiff Bus Interchange
10:15
Cardiff Bus Interchange
10:45
Cardiff Bus Interchange
10:45
Cardiff Bus Interchange
10:45
Cardiff Bus Interchange
10:45
Cardiff Bus Interchange
10:45
Cardiff Bus Interchange
10:45
Cardiff Bus Interchange
11:15
Cardiff Bus Interchange
11:15
Cardiff Bus Interchange
11:15
Cardiff Bus Interchange
11:15
Cardiff Bus Interchange
11:15
Cardiff Bus Interchange
11:15
Cardiff Bus Interchange
11:45
Cardiff Bus Interchange
11:45
Cardiff Bus Interchange
11:45
Cardiff Bus Interchange
11:45
Cardiff Bus Interchange
11:45
Cardiff Bus Interchange
11:45
Cardiff Bus Interchange
12:15
Cardiff Bus Interchange
12:15
Cardiff Bus Interchange
12:15
Cardiff Bus Interchange
12:15
Cardiff Bus Interchange
12:15
Cardiff Bus Interchange
12:15
Cardiff Bus Interchange
12:45
Cardiff Bus Interchange
12:45
Cardiff Bus Interchange
12:45
Cardiff Bus Interchange
12:45
Cardiff Bus Interchange
12:45
Cardiff Bus Interchange
12:45
Cardiff Bus Interchange
13:15
Cardiff Bus Interchange
13:15
Cardiff Bus Interchange
13:15
Cardiff Bus Interchange
13:15
Cardiff Bus Interchange
13:15
Cardiff Bus Interchange
13:15
Cardiff Bus Interchange
13:45
Cardiff Bus Interchange
13:45
Cardiff Bus Interchange
13:45
Cardiff Bus Interchange
13:45
Cardiff Bus Interchange
13:45
Cardiff Bus Interchange
13:45
Cardiff Bus Interchange
14:15
Cardiff Bus Interchange
14:15
Cardiff Bus Interchange
14:15
Cardiff Bus Interchange
14:15
Cardiff Bus Interchange
14:15
Cardiff Bus Interchange
14:15
Cardiff Bus Interchange
14:45
Cardiff Bus Interchange
14:45
Cardiff Bus Interchange
14:45
Cardiff Bus Interchange
14:45
Cardiff Bus Interchange
14:45
Cardiff Bus Interchange
14:45
Cardiff Bus Interchange
15:15
Cardiff Bus Interchange
15:15
Cardiff Bus Interchange
15:15
Cardiff Bus Interchange
15:15
Cardiff Bus Interchange
15:15
Cardiff Bus Interchange
15:15
Cardiff Bus Interchange
15:50
Cardiff Bus Interchange
15:50
Cardiff Bus Interchange
15:50
Cardiff Bus Interchange
15:50
Cardiff Bus Interchange
15:50
Cardiff Bus Interchange
15:50
Cardiff Bus Interchange
16:20
Cardiff Bus Interchange
16:20
Cardiff Bus Interchange
16:20
Cardiff Bus Interchange
16:20
Cardiff Bus Interchange
16:20
Cardiff Bus Interchange
16:20
Cardiff Bus Interchange
16:50
Cardiff Bus Interchange
16:50
Cardiff Bus Interchange
16:50
Cardiff Bus Interchange
16:50
Cardiff Bus Interchange
16:50
Cardiff Bus Interchange
16:50
Cardiff Bus Interchange
17:25
Cardiff Bus Interchange
17:25
Cardiff Bus Interchange
17:25
Cardiff Bus Interchange
17:25
Cardiff Bus Interchange
17:25
Cardiff Bus Interchange
17:25
Cardiff Bus Interchange
17:55
Cardiff Bus Interchange
17:55
Cardiff Bus Interchange
17:55
Cardiff Bus Interchange
17:55
Cardiff Bus Interchange
17:55
Cardiff Bus Interchange
17:55
Cardiff Bus Interchange
18:40
Cardiff Bus Interchange
18:40
Cardiff Bus Interchange
18:40
Cardiff Bus Interchange
18:40
Cardiff Bus Interchange
18:40
Cardiff Bus Interchange
18:40
Cardiff Bus Interchange
19:35
Cardiff Bus Interchange
19:35
Cardiff Bus Interchange
19:35
Cardiff Bus Interchange
19:35
Cardiff Bus Interchange
19:35
Cardiff Bus Interchange
19:35
Cardiff Bus Interchange
20:35
Cardiff Bus Interchange
20:35
Cardiff Bus Interchange
20:35
Cardiff Bus Interchange
20:35
Cardiff Bus Interchange
20:35
Cardiff Bus Interchange
20:35
Cardiff Bus Interchange
21:38
Cardiff Bus Interchange
21:38
Cardiff Bus Interchange
21:38
Cardiff Bus Interchange
21:38
Cardiff Bus Interchange
21:38
Cardiff Bus Interchange
21:38
Cardiff Bus Interchange
07:24
07:24
07:24
07:24
07:24
07:24
07:00
07:00
07:00
07:00
07:00
07:00
07:27
07:27
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07:27
07:27
08:10
08:10
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08:10
08:10
08:10
08:45
08:45
08:45
08:45
08:45
08:45
09:15
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09:15
09:15
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09:15
09:45
09:45
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09:45
09:45
09:45
10:15
10:15
10:15
10:15
10:15
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10:45
10:45
10:45
10:45
10:45
10:45
11:15
11:15
11:15
11:15
11:15
11:15
11:45
11:45
11:45
11:45
11:45
11:45
12:15
12:15
12:15
12:15
12:15
12:15
12:45
12:45
12:45
12:45
12:45
12:45
13:15
13:15
13:15
13:15
13:15
13:15
13:45
13:45
13:45
13:45
13:45
13:45
14:15
14:15
14:15
14:15
14:15
14:15
14:45
14:45
14:45
14:45
14:45
14:45
15:15
15:15
15:15
15:15
15:15
15:15
15:50
15:50
15:50
15:50
15:50
15:50
16:20
16:20
16:20
16:20
16:20
16:20
16:50
16:50
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16:50
16:50
16:50
17:25
17:25
17:25
17:25
17:25
17:25
17:55
17:55
17:55
17:55
17:55
17:55
18:40
18:40
18:40
18:40
18:40
18:40
19:35
19:35
19:35
19:35
19:35
19:35
20:35
20:35
20:35
20:35
20:35
20:35
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Birchgrove Stop 1
outside Principality
06:40
06:40
06:40
06:40
06:40
06:40
07:13
07:13
07:13
07:13
07:13
07:13
07:43
07:43
07:43
07:43
07:43
07:43
08:28
08:28
08:28
08:28
08:28
08:28
09:00
09:00
09:00
09:00
09:00
09:00
09:30
09:30
09:30
09:30
09:30
09:30
10:00
10:00
10:00
10:00
10:00
10:00
10:30
10:30
10:30
10:30
10:30
10:30
11:00
11:00
11:00
11:00
11:00
11:00
11:30
11:30
11:30
11:30
11:30
11:30
12:00
12:00
12:00
12:00
12:00
12:00
12:30
12:30
12:30
12:30
12:30
12:30
13:00
13:00
13:00
13:00
13:00
13:00
13:30
13:30
13:30
13:30
13:30
13:30
14:00
14:00
14:00
14:00
14:00
14:00
14:34
14:34
14:34
14:34
14:34
14:34
15:04
15:04
15:04
15:04
15:04
15:04
15:34
15:34
15:34
15:34
15:34
15:34
16:09
16:09
16:09
16:09
16:09
16:09
16:39
16:39
16:39
16:39
16:39
16:39
17:09
17:09
17:09
17:09
17:09
17:09
17:44
17:44
17:44
17:44
17:44
17:44
18:14
18:14
18:14
18:14
18:14
18:14
18:58
18:58
18:58
18:58
18:58
18:58
19:52
19:52
19:52
19:52
19:52
19:52
20:50
20:50
20:50
20:50
20:50
20:50
21:50
21:50
21:50
21:50
21:50
21:50
Rhiwbina Station
before
06:44
06:44
06:44
06:44
06:44
06:44
07:18
07:18
07:18
07:18
07:18
07:18
07:49
07:49
07:49
07:49
07:49
07:49
08:34
08:34
08:34
08:34
08:34
08:34
09:07
09:07
09:07
09:07
09:07
09:07
09:37
09:37
09:37
09:37
09:37
09:37
10:07
10:07
10:07
10:07
10:07
10:07
10:37
10:37
10:37
10:37
10:37
10:37
11:07
11:07
11:07
11:07
11:07
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11:37
11:37
11:37
11:37
11:37
11:37
12:07
12:07
12:07
12:07
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12:07
12:37
12:37
12:37
12:37
12:37
12:37
13:07
13:07
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13:07
13:07
13:37
13:37
13:37
13:37
13:37
13:37
14:07
14:07
14:07
14:07
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14:07
14:40
14:40
14:40
14:40
14:40
14:40
15:10
15:10
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15:10
15:10
15:10
15:40
15:40
15:40
15:40
15:40
15:40
16:15
16:15
16:15
16:15
16:15
16:15
16:45
16:45
16:45
16:45
16:45
16:45
17:15
17:15
17:15
17:15
17:15
17:15
17:50
17:50
17:50
17:50
17:50
17:50
18:20
18:20
18:20
18:20
18:20
18:20
19:03
19:03
19:03
19:03
19:03
19:03
19:57
19:57
19:57
19:57
19:57
19:57
20:54
20:54
20:54
20:54
20:54
20:54
21:54
21:54
21:54
21:54
21:54
21:54
Whitchurch, Three Elms
opposite
07:06
07:06
07:06
07:06
07:06
07:06
07:44
07:44
07:44
07:44
07:44
07:44
08:23
08:23
08:23
08:23
08:23
08:23
09:04
09:04
09:04
09:04
09:04
09:04
09:32
09:32
09:32
09:32
09:32
09:32
10:02
10:02
10:02
10:02
10:02
10:02
10:32
10:32
10:32
10:32
10:32
10:32
11:02
11:02
11:02
11:02
11:02
11:02
11:32
11:32
11:32
11:32
11:32
11:32
12:02
12:02
12:02
12:02
12:02
12:02
12:32
12:32
12:32
12:32
12:32
12:32
13:02
13:02
13:02
13:02
13:02
13:02
13:32
13:32
13:32
13:32
13:32
13:32
14:02
14:02
14:02
14:02
14:02
14:02
14:32
14:32
14:32
14:32
14:32
14:32
15:05
15:05
15:05
15:05
15:05
15:05
15:36
15:36
15:36
15:36
15:36
15:36
16:06
16:06
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16:06
16:41
16:41
16:41
16:41
16:41
16:41
17:11
17:11
17:11
17:11
17:11
17:11
17:41
17:41
17:41
17:41
17:41
17:41
18:16
18:16
18:16
18:16
18:16
18:16
18:46
18:46
18:46
18:46
18:46
18:46
19:25
19:25
19:25
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19:25
19:25
20:18
20:18
20:18
20:18
20:18
20:18
21:13
21:13
21:13
21:13
21:13
21:13
22:13
22:13
22:13
22:13
22:13
22:13
Maindy, Cathays High School
outside
07:14
07:14
07:14
07:14
07:14
07:14
07:53
07:53
07:53
07:53
07:53
07:53
08:35
08:35
08:35
08:35
08:35
08:35
09:12
09:12
09:12
09:12
09:12
09:12
09:40
09:40
09:40
09:40
09:40
09:40
10:10
10:10
10:10
10:10
10:10
10:10
10:40
10:40
10:40
10:40
10:40
10:40
11:10
11:10
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11:10
11:40
11:40
11:40
11:40
11:40
11:40
12:10
12:10
12:10
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12:10
12:10
12:40
12:40
12:40
12:40
12:40
12:40
13:10
13:10
13:10
13:10
13:10
13:10
13:40
13:40
13:40
13:40
13:40
13:40
14:10
14:10
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14:40
14:40
14:40
14:40
14:40
14:40
15:12
15:12
15:12
15:12
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15:12
15:45
15:45
15:45
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16:15
16:15
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16:50
16:50
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17:20
17:20
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17:50
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18:25
18:25
18:25
18:25
18:25
18:25
18:55
18:55
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18:55
18:55
19:33
19:33
19:33
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19:33
20:26
20:26
20:26
20:26
20:26
20:26
21:20
21:20
21:20
21:20
21:20
21:20
22:20
22:20
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22:20
22:20
22:20
Cardiff, Greyfriars Road GL
outside
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22:30
22:30
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22:30
Cardiff, Greyfriars Road GL
outside
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21:30
21:30
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21:38
21:38
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21:38
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08:03
08:03
08:03
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08:50
08:50
08:50
08:50
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08:50
09:27
09:27
09:27
09:27
09:27
09:27
09:55
09:55
09:55
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10:25
10:25
10:25
10:25
10:25
10:25
10:55
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11:25
11:25
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11:55
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12:25
12:25
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12:25
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12:55
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13:25
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13:55
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14:25
14:25
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14:55
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15:27
15:27
15:27
15:27
15:27
15:27
16:00
16:00
16:00
16:00
16:00
16:00
16:30
16:30
16:30
16:30
16:30
16:30
17:05
17:05
17:05
17:05
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17:35
17:35
17:35
17:35
17:35
17:35
18:05
18:05
18:05
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18:05
18:40
18:40
18:40
18:40
18:40
18:40
19:10
19:10
19:10
19:10
19:10
19:10
19:48
19:48
19:48
19:48
19:48
19:48
20:36
20:36
20:36
20:36
20:36
20:36
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Timetable data from Cardiff Bus, refreshed 2026-06-12 · Source: Traveline National Dataset (TNDS) · Service code S_21.
Main stops shown
8 main stopsThe map can include more stops across directions; use All Stops above for the full timetable list.
- Cardiff Bus Station, Cardiff Bus Interchange Bay 4
- Birchgrove Stop 1 outside Principality
- Rhiwbina Station before
- Whitchurch, Three Elms opposite
- Maindy, Cathays High School outside
- Cardiff, Greyfriars Road GL outside
- Cardiff, Greyfriars Road GL outside
- Cardiff Bus Station, Cardiff Bus Interchange Bay 4