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321
Arriva Beds and Bucks

321 bus timetable – Harpenden: Luton Town Centre to Watford

Luton Town Centre - Watford

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Not the 321 you're looking for? 9 other bus routes in Great Britain use this number.

Luton → Watford

57 trips · first 04:40 · last 22:00
Mon–Fri Live From 2026-05-31

Swipe sideways to see later trips.

Stop
04:40 Watford
05:25 Watford
05:40 Watford
05:55 Watford
06:10 Watford
06:25 Watford
06:45 Watford
07:00 Watford
07:15 Watford
07:35 Watford
07:50 Watford
08:05 Watford
08:20 Watford
08:40 Watford
08:55 Watford
09:15 Watford
09:30 Watford
09:45 Watford
10:00 Watford
10:15 Watford
10:30 Watford
10:45 Watford
11:00 Watford
11:15 Watford
11:30 Watford
11:45 Watford
12:00 Watford
12:15 Watford
12:30 Watford
12:45 Watford
13:00 Watford
13:15 Watford
13:30 Watford
13:45 Watford
14:00 Watford
14:15 Watford
14:30 Watford
14:45 Watford
15:05 Watford
15:25 Watford
15:45 Watford
16:05 Watford
16:20 Watford
16:40 Watford
17:00 Watford
17:20 Watford
17:40 Watford
18:00 Watford
18:20 Watford
18:40 Watford
19:00 Watford
19:30 Watford
20:00 Watford
20:30 Watford
21:00 Watford
21:30 Watford
22:00 Watford
Luton Town Centre, Luton Station Interchange Stand 9
04:40
05:25
05:40
05:55
06:10
06:25
06:45
07:00
07:15
07:35
07:50
08:05
08:20
08:40
08:55
09:15
09:30
09:45
10:00
10:15
10:30
10:45
11:00
11:15
11:30
11:45
12:00
12:15
12:30
12:45
13:00
13:15
13:30
13:45
14:00
14:15
14:30
14:45
15:05
15:25
15:45
16:05
16:20
16:40
17:00
17:20
17:40
18:00
18:20
18:40
19:00
19:30
20:00
20:30
21:00
21:30
22:00
Stockwood Park Entrance opposite
04:49
05:34
05:49
06:07
06:22
06:37
06:57
07:14
07:29
07:48
08:03
08:17
08:32
08:51
09:06
09:26
09:41
09:56
10:11
10:26
10:41
10:56
11:11
11:26
11:41
11:56
12:11
12:26
12:41
12:56
13:11
13:26
13:41
13:56
14:11
14:26
14:41
14:56
15:17
15:37
15:57
16:17
16:32
16:52
17:12
17:32
17:51
18:11
18:30
18:50
19:10
19:39
20:09
20:39
21:09
21:39
22:09
Kinsbourne Green, The Common opposite
04:56
05:41
05:56
06:14
06:29
06:44
07:04
07:23
07:38
07:59
08:12
08:26
08:40
08:59
09:14
09:34
09:48
10:03
10:18
10:33
10:48
11:03
11:18
11:33
11:48
12:03
12:18
12:33
12:48
13:03
13:18
13:33
13:48
14:03
14:18
14:33
14:48
15:03
15:24
15:44
16:04
16:24
16:39
16:59
17:19
17:39
17:58
18:18
18:37
18:57
19:17
19:46
20:16
20:46
21:16
21:46
22:16
Harpenden, The George PH Stop D
05:01
05:46
06:03
06:21
06:36
06:51
07:14
07:33
07:51
08:12
08:28
08:42
08:54
09:13
09:25
09:42
09:56
10:11
10:26
10:41
10:56
11:11
11:26
11:41
11:56
12:11
12:26
12:41
12:56
13:11
13:26
13:41
13:56
14:11
14:26
14:42
14:57
15:12
15:33
15:55
16:13
16:33
16:47
17:07
17:27
17:47
18:06
18:26
18:44
19:04
19:24
19:51
20:21
20:51
21:21
21:51
22:21
New Greens, Texaco Garage near
05:10
05:55
06:14
06:32
06:47
07:02
07:27
07:51
08:09
08:30
08:46
08:56
09:08
09:25
09:37
09:42
10:07
10:22
10:37
10:52
11:07
11:22
11:37
11:52
12:07
12:22
12:37
12:52
13:07
13:22
13:37
13:52
14:07
14:22
14:37
14:54
15:09
15:24
15:45
16:07
16:25
16:45
16:59
17:19
17:39
17:59
18:17
18:37
18:55
19:15
19:35
20:00
20:30
21:00
21:30
22:00
22:30
St Albans, St Peter's Street Stop 5
05:17
06:02
06:23
06:41
06:56
07:15
07:40
08:08
08:32
08:50
09:06
09:16
09:22
09:39
09:48
09:53
10:18
10:33
10:48
11:03
11:18
11:33
11:48
12:03
12:18
12:33
12:48
13:03
13:18
13:33
13:48
14:03
14:18
14:33
14:51
15:08
15:31
15:46
16:08
16:23
16:41
17:00
17:14
17:32
17:52
18:12
18:30
18:49
19:07
19:27
19:42
20:07
20:37
21:07
21:37
22:07
22:37
St Albans Abbey Railway Station Stop A
05:19
06:05
06:26
06:44
06:59
07:18
07:43
08:12
08:36
08:54
09:09
09:19
09:25
09:43
09:52
09:57
10:22
10:37
10:52
11:07
11:22
11:37
11:52
12:07
12:22
12:37
12:52
13:07
13:22
13:37
13:52
14:07
14:22
14:38
14:56
15:14
15:36
15:51
16:13
16:28
16:46
17:05
17:19
17:36
17:56
18:16
18:34
·
19:10
·
19:45
20:10
20:40
21:10
·
22:10
·
Chiswell Green, Ragged Hall Lane opposite
05:23
06:10
06:31
06:49
07:05
07:24
07:49
08:19
08:42
09:00
09:15
09:25
09:32
09:50
09:59
10:04
10:29
10:44
10:59
11:14
11:29
11:44
11:59
12:14
12:29
12:44
12:59
13:14
13:29
13:44
13:59
14:14
14:29
14:46
15:04
15:25
15:45
16:00
16:22
16:37
16:54
17:13
17:27
17:44
18:04
18:23
18:40
·
19:16
·
19:50
20:15
20:45
21:15
·
22:15
·
Garston, Bucknalls Lane near
05:32
06:22
06:43
07:01
07:21
07:40
08:09
08:37
08:58
09:13
09:28
09:38
09:42
10:00
10:09
10:14
10:39
10:54
11:09
11:24
11:39
11:54
12:09
12:24
12:39
12:54
13:09
13:24
13:39
13:54
14:09
14:24
14:39
14:58
15:18
15:39
16:00
16:15
16:37
16:52
17:09
17:27
17:41
17:58
18:17
18:36
18:51
·
19:26
·
19:58
20:23
20:53
21:23
·
22:23
·
North Watford, Library near
05:40
06:33
06:54
07:14
07:34
07:56
08:26
08:54
09:15
09:26
09:41
09:48
09:52
10:10
10:19
10:24
10:49
11:04
11:19
11:34
11:49
12:04
12:19
12:34
12:49
13:04
13:19
13:34
13:49
14:04
14:19
14:34
14:50
15:09
15:31
15:53
16:12
16:27
16:49
17:04
17:20
17:38
17:52
18:09
18:27
18:45
19:00
·
19:34
·
20:05
20:30
21:00
21:30
·
22:30
·
Watford Junction Railway Station Stop 2
05:46
06:42
07:03
07:25
07:47
08:09
08:40
09:06
09:26
09:37
09:52
09:59
10:03
10:21
10:30
10:35
11:00
11:15
11:30
11:45
12:00
12:15
12:30
12:45
13:00
13:15
13:30
13:45
14:00
14:15
14:30
14:45
15:01
15:20
15:42
16:04
16:24
16:39
17:01
17:16
17:32
17:50
18:04
18:20
18:38
18:56
19:11
·
19:41
·
20:13
20:38
21:08
21:38
·
22:38
·
Watford, Beechen Grove Stop M
05:49
06:46
07:07
07:29
07:51
08:14
08:45
09:11
09:31
09:41
09:56
10:03
10:07
10:25
10:34
10:39
11:04
11:19
11:34
11:49
12:04
12:19
12:34
12:49
13:04
13:19
13:34
13:49
14:04
14:19
14:35
14:50
15:06
15:25
15:47
16:09
16:29
16:44
17:06
17:21
17:37
17:55
18:09
18:25
18:43
19:01
19:16
·
19:45
·
20:17
20:42
21:12
21:42
·
22:42
·
Watford Hospital Car Park opposite
05:57
06:55
07:17
07:39
08:01
08:24
·
·
·
·
·
·
10:18
10:36
10:45
10:50
11:15
11:30
11:45
12:00
12:15
12:30
12:45
13:00
13:15
13:30
13:45
14:00
14:15
14:30
14:46
15:01
15:17
15:36
15:59
16:21
16:41
16:56
17:18
17:33
17:50
·
18:20
18:36
18:53
·
19:26
·
19:53
·
20:25
20:50
21:20
21:50
·
22:50
·

Watford → Luton

58 trips · first 05:20 · last 22:57
Mon–Fri Live From 2026-05-31

Swipe sideways to see later trips.

Stop
05:20 Watford
06:02 Watford
06:25 Watford
06:29 Watford
06:54 Watford
07:08 Watford
07:12 Watford
07:17 Watford
07:30 Watford
07:45 Watford
07:47 Watford
08:10 Watford
08:29 Watford
08:57 Watford
09:15 Watford
09:31 Watford
09:46 Watford
10:01 Watford
10:16 Watford
10:22 Watford
10:37 Watford
10:52 Watford
11:07 Watford
11:22 Watford
11:37 Watford
11:52 Watford
12:07 Watford
12:22 Watford
12:37 Watford
12:52 Watford
13:07 Watford
13:22 Watford
13:37 Watford
13:52 Watford
14:07 Watford
14:22 Watford
14:37 Watford
14:52 Watford
15:07 Watford
15:22 Watford
15:37 Watford
16:00 Watford
16:25 Watford
16:45 Watford
17:05 Watford
17:25 Watford
17:45 Watford
18:05 Watford
18:25 Watford
18:45 Watford
19:05 Watford
19:27 Watford
19:57 Watford
20:27 Watford
20:57 Watford
21:27 Watford
21:57 Watford
22:57 Watford
Watford Hospital Car Park opposite
·
06:02
·
06:29
06:54
07:08
·
07:17
07:30
·
07:47
08:10
08:29
·
·
·
·
·
·
10:22
10:37
10:52
11:07
11:22
11:37
11:52
12:07
12:22
12:37
12:52
13:07
13:22
13:37
13:52
14:07
14:22
14:37
14:52
15:07
15:22
15:37
16:00
16:25
16:45
17:05
17:25
17:45
18:05
18:25
18:45
19:05
19:27
19:57
20:27
20:57
21:27
21:57
22:57
Watford, Market Street Stop J
05:20
06:09
·
06:36
07:01
07:16
·
07:25
07:38
·
07:55
08:18
08:37
08:57
09:15
09:31
09:46
10:01
10:16
10:31
10:46
11:01
11:16
11:31
11:46
12:01
12:16
12:31
12:46
13:01
13:16
13:31
13:46
14:01
14:16
14:31
14:46
15:01
15:16
15:31
15:46
16:09
16:34
16:54
17:14
17:34
17:54
18:14
18:34
18:53
19:13
19:35
20:04
20:34
21:04
21:34
22:04
23:04
Watford Junction Railway Station Stop 5
05:28
06:16
·
06:43
07:08
07:23
·
07:32
07:46
·
08:04
08:27
08:45
09:05
09:22
09:38
09:53
10:08
10:23
10:38
10:53
11:08
11:23
11:38
11:53
12:08
12:23
12:38
12:53
13:08
13:23
13:38
13:53
14:08
14:23
14:39
14:54
15:09
15:24
15:39
15:54
16:18
16:43
17:03
17:24
17:43
18:03
18:22
18:42
19:01
19:21
19:41
20:10
20:40
21:10
21:40
22:10
23:10
North Watford, Library opposite
05:35
06:25
·
06:52
07:19
07:34
·
07:44
07:58
·
08:18
08:41
09:00
09:17
09:34
09:49
10:04
10:19
10:34
10:49
11:04
11:19
11:34
11:49
12:04
12:19
12:34
12:49
13:04
13:19
13:34
13:49
14:04
14:19
14:34
14:52
15:07
15:23
15:38
15:54
16:09
16:35
17:01
17:22
17:43
18:03
18:18
18:37
18:55
19:14
19:34
19:50
20:19
20:49
21:19
21:49
22:19
23:19
Garston, Bucknalls Lane opposite
05:42
06:35
·
07:04
07:31
07:46
·
07:59
08:14
·
08:34
08:52
09:09
09:26
09:42
09:57
10:12
10:27
10:42
10:57
11:12
11:27
11:42
11:57
12:12
12:27
12:42
12:57
13:12
13:27
13:42
13:57
14:12
14:27
14:43
15:01
15:17
15:33
15:49
16:05
16:19
16:45
17:11
17:32
17:52
18:12
18:27
18:45
19:03
19:22
19:41
19:57
20:26
20:56
21:26
21:56
22:26
23:26
Chiswell Green, Ragged Hall Lane adjacent
05:49
06:44
·
07:16
07:43
08:03
·
08:16
08:32
·
08:47
09:05
09:20
09:37
09:52
10:07
10:22
10:37
10:52
11:07
11:22
11:37
11:52
12:07
12:22
12:37
12:52
13:07
13:22
13:37
13:52
14:07
14:22
14:37
14:54
15:12
15:28
15:44
16:00
16:15
16:29
16:55
17:21
17:42
18:02
18:21
18:36
18:54
19:12
19:31
19:49
20:05
20:34
21:04
21:34
22:04
22:34
23:34
St Albans Abbey Railway Station Stop B
05:53
06:50
·
07:24
07:53
08:13
·
08:29
08:44
·
08:59
09:15
09:30
09:46
10:01
10:16
10:31
10:46
11:01
11:16
11:31
11:46
12:01
12:16
12:31
12:46
13:01
13:16
13:31
13:46
14:01
14:16
14:31
14:47
15:04
15:22
15:38
15:56
16:12
16:27
16:41
17:07
17:33
17:54
18:13
18:32
18:45
19:03
19:21
19:37
19:55
20:11
20:40
21:10
21:40
22:10
22:40
23:40
St Albans, St Peter's Street Stop 10
05:56
06:54
06:25
07:30
08:00
08:20
07:12
08:37
08:52
07:45
09:07
09:22
09:36
09:52
10:07
10:22
10:37
10:52
11:07
11:22
11:37
11:52
12:07
12:22
12:37
12:52
13:07
13:22
13:37
13:52
14:07
14:22
14:37
14:53
15:10
15:29
15:46
16:04
16:19
16:34
16:48
17:14
17:40
18:01
18:20
18:38
18:51
19:09
19:27
19:41
19:59
20:15
20:44
21:14
21:44
22:14
22:44
23:44
New Greens, Texaco Garage opposite
06:01
07:00
06:31
07:39
08:10
08:30
07:20
08:45
09:00
07:54
09:14
09:29
09:43
09:59
10:14
10:29
10:44
10:59
11:14
11:29
11:44
11:59
12:14
12:29
12:44
12:59
13:14
13:29
13:44
13:59
14:14
14:29
14:46
15:02
15:22
15:41
15:58
16:14
16:29
16:43
16:57
17:23
17:48
18:08
18:27
18:45
18:58
19:16
19:34
19:46
20:04
20:20
20:49
21:19
21:49
22:19
22:49
23:49
Harpenden, The George PH Stop C
06:12
07:12
06:42
07:51
08:22
08:42
07:32
08:57
09:12
08:06
09:26
09:41
09:55
10:11
10:26
10:41
10:56
11:11
11:26
11:41
11:56
12:11
12:26
12:41
12:56
13:11
13:26
13:41
13:56
14:11
14:26
14:41
14:59
15:15
15:35
15:54
16:11
16:27
16:42
16:56
17:10
17:36
18:00
18:20
18:39
18:56
19:09
19:27
19:44
19:56
20:14
20:30
20:59
21:29
21:59
22:29
22:59
23:59
Kinsbourne Green, The Common adjacent
06:20
07:20
06:50
07:59
08:30
08:50
07:40
09:05
09:20
08:14
09:34
09:49
10:03
10:19
10:34
10:49
11:04
11:19
11:34
11:49
12:04
12:19
12:34
12:49
13:04
13:19
13:34
13:49
14:04
14:19
14:34
14:52
15:10
15:29
15:51
16:10
16:23
16:39
16:53
17:07
17:20
17:48
18:09
18:29
18:47
19:04
19:17
19:35
19:50
20:02
20:20
20:36
21:05
21:35
22:05
22:35
23:05
00:05+1
Stockwood Park Entrance outside
06:28
07:27
06:58
08:06
08:36
08:56
07:47
09:11
09:26
08:21
09:41
09:56
10:10
10:26
10:41
10:56
11:11
11:26
11:41
11:56
12:11
12:26
12:41
12:56
13:11
13:26
13:41
13:56
14:11
14:26
14:41
14:59
15:17
15:36
15:58
16:17
16:30
16:46
17:00
17:14
17:27
17:55
18:16
18:36
18:54
19:11
19:24
19:42
19:57
20:09
20:27
20:43
21:12
21:42
22:12
22:42
23:12
00:12+1
Luton Town Centre, Luton Station Interchange Stand 9
06:35
07:35
07:05
08:15
08:45
09:05
07:55
09:20
09:35
08:30
09:50
10:05
10:19
10:35
10:50
11:05
11:20
11:35
11:50
12:05
12:20
12:35
12:50
13:05
13:20
13:35
13:50
14:05
14:20
14:35
14:52
15:10
15:29
15:48
16:10
16:29
16:42
16:58
17:12
17:26
17:39
18:07
18:27
18:46
19:04
19:21
19:34
19:50
20:05
20:17
20:35
20:51
21:20
21:50
22:20
22:50
23:20
00:20+1

Timetable data from Arriva Beds and Bucks, refreshed 2026-06-28 · Source: Bus Open Data Service (BODS) · Service code PF0000508:106.

Main stops shown

13 main stops

The map can include more stops across directions; use All Stops above for the full timetable list.

  1. Luton Town Centre, Luton Station Interchange Stand 9
  2. Stockwood Park Entrance opposite
  3. Kinsbourne Green, The Common opposite
  4. Harpenden, The George PH Stop D
  5. New Greens, Texaco Garage near
  6. St Albans, St Peter's Street Stop 5
  7. St Albans Abbey Railway Station Stop A
  8. Chiswell Green, Ragged Hall Lane opposite
  9. Garston, Bucknalls Lane near
  10. North Watford, Library near
  11. Watford Junction Railway Station Stop 2
  12. Watford, Beechen Grove Stop M
  13. Watford Hospital Car Park opposite

Looking for a different 321 bus?

9 other routes

The number 321 is used by 9 other bus routes around Great Britain, run by different operators in different areas.

321
Luton - Harpenden - St Albans - Watford
Harpenden · Arriva Beds and Bucks
 321
Newport - Haverhill
Haverhill · Stephensons of Essex
 321
Princes Risborough - Thame
Thame · Red Rose Travel
 321
Foots Cray, Tesco - Sidcup - Eltham - Lewisham - New Cross Gate
Eltham · London General
 321
Ore Crowborough Road ↔ St Helens Conquest Hospital
St Leonards · Stagecoach South East
 321
Llantwit Major Interchange ↔ Talbot Green Bus Station
Talbot Green · First Cymru
 321
Princes Risborough ↔ Thame
Thame · Red Rose Travel
 321
Llantwit Major ↔ Talbot Green
First Cymru

See all 10 bus routes numbered 321