321 Luton Station Interchange ↔ Watford Hospital Car Park
Operated by Arriva Beds and Bucks. First bus 04:40, last bus 22:57. 219 journeys on weekdays.
Timetable
Times are shown at the route's main timing stops — buses serve all stops in between. For times at your exact stop, open the stop's own page.
| Luton Station Interchange (Stand 9) | 04:40 | 05:25 | 05:40 | 05:55 | 06:10 | 06:10 | 06:25 | 06:45 | 06:55 | 07:00 | 07:10 | 07:10 | 07:15 | 07:30 | 07:35 | 07:40 | 07:50 | 08:05 | 08:10 | 08:20 | 08:40 | 08:40 | 08:55 | 09:10 | 09:15 | 09:15 | 09:30 | 09:35 | 09:45 | 10:00 | 10:00 | 10:15 | 10:30 | 10:30 | 10:45 | 11:00 | 11:00 | 11:15 | 11:30 | 11:30 | 11:45 | 12:00 | 12:00 | 12:15 | 12:30 | 12:30 | 12:45 | 13:00 | 13:00 | 13:15 | 13:30 | 13:30 | 13:45 | 14:00 | 14:00 | 14:15 | 14:30 | 14:30 | 14:45 | 15:00 | 15:05 | 15:25 | 15:30 | 15:45 | 16:00 | 16:05 | 16:20 | 16:40 | 17:00 | 17:00 | 17:20 | 17:40 | 18:00 | 18:00 | 18:20 | 18:40 | 19:00 | 19:00 | 19:30 | 20:00 | 20:00 | 20:30 | 21:00 | 21:00 | 21:30 | 22:00 | 22:00 |
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| Stockwood Park Entrance (opp) | 04:49 | 05:34 | 05:49 | 06:07 | 06:22 | 06:21 | 06:37 | 06:57 | 07:09 | 07:14 | 07:21 | 07:24 | 07:29 | 07:43 | 07:48 | 07:51 | 08:03 | 08:17 | 08:21 | 08:32 | 08:51 | 08:51 | 09:06 | 09:21 | 09:26 | 09:26 | 09:41 | 09:46 | 09:56 | 10:11 | 10:11 | 10:26 | 10:41 | 10:41 | 10:56 | 11:11 | 11:11 | 11:26 | 11:41 | 11:41 | 11:56 | 12:11 | 12:11 | 12:26 | 12:41 | 12:41 | 12:56 | 13:11 | 13:11 | 13:26 | 13:41 | 13:41 | 13:56 | 14:11 | 14:11 | 14:26 | 14:41 | 14:41 | 14:56 | 15:11 | 15:17 | 15:37 | 15:41 | 15:57 | 16:11 | 16:17 | 16:32 | 16:52 | 17:12 | 17:11 | 17:32 | 17:51 | 18:11 | 18:11 | 18:30 | 18:50 | 19:10 | 19:10 | 19:39 | 20:09 | 20:10 | 20:39 | 21:10 | 21:09 | 21:39 | 22:09 | 22:10 |
| The Common (opp) | 04:56 | 05:41 | 05:56 | 06:14 | 06:29 | 06:28 | 06:44 | 07:04 | 07:18 | 07:23 | 07:28 | 07:33 | 07:38 | 07:54 | 07:59 | 07:58 | 08:12 | 08:26 | 08:28 | 08:40 | 08:59 | 08:58 | 09:14 | 09:28 | 09:34 | 09:34 | 09:48 | 09:53 | 10:03 | 10:18 | 10:18 | 10:33 | 10:48 | 10:48 | 11:03 | 11:18 | 11:18 | 11:33 | 11:48 | 11:48 | 12:03 | 12:18 | 12:18 | 12:33 | 12:48 | 12:48 | 13:03 | 13:18 | 13:18 | 13:33 | 13:48 | 13:48 | 14:03 | 14:18 | 14:18 | 14:33 | 14:48 | 14:48 | 15:03 | 15:18 | 15:24 | 15:44 | 15:48 | 16:04 | 16:18 | 16:24 | 16:39 | 16:59 | 17:19 | 17:18 | 17:39 | 17:58 | 18:18 | 18:18 | 18:37 | 18:57 | 19:17 | 19:17 | 19:46 | 20:16 | 20:17 | 20:46 | 21:17 | 21:16 | 21:46 | 22:16 | 22:17 |
| The George PH (Stop D) | 05:01 | 05:46 | 06:03 | 06:21 | 06:36 | 06:34 | 06:51 | 07:14 | 07:28 | 07:33 | 07:34 | 07:46 | 07:51 | 08:07 | 08:12 | 08:04 | 08:28 | 08:42 | 08:34 | 08:54 | 09:13 | 09:04 | 09:25 | 09:34 | 09:42 | 09:42 | 09:56 | 09:59 | 10:11 | 10:26 | 10:25 | 10:41 | 10:56 | 10:55 | 11:11 | 11:25 | 11:26 | 11:41 | 11:56 | 11:55 | 12:11 | 12:25 | 12:26 | 12:41 | 12:56 | 12:55 | 13:11 | 13:26 | 13:25 | 13:41 | 13:56 | 13:55 | 14:11 | 14:25 | 14:26 | 14:42 | 14:57 | 14:55 | 15:12 | 15:24 | 15:33 | 15:55 | 15:54 | 16:13 | 16:24 | 16:33 | 16:47 | 17:07 | 17:27 | 17:24 | 17:47 | 18:06 | 18:24 | 18:26 | 18:44 | 19:04 | 19:24 | 19:22 | 19:51 | 20:21 | 20:22 | 20:51 | 21:22 | 21:21 | 21:51 | 22:21 | 22:22 |
| Texaco Garage (nr) | 05:10 | 05:55 | 06:14 | 06:32 | 06:47 | 06:43 | 07:02 | 07:27 | 07:46 | 07:51 | 07:43 | 08:04 | 08:09 | 08:25 | 08:30 | 08:13 | 08:46 | 08:56 | 08:43 | 09:08 | 09:25 | 09:13 | 09:37 | 09:43 | 09:53 | 09:42 | 10:07 | 10:07 | 10:22 | 10:37 | 10:36 | 10:52 | 11:07 | 11:06 | 11:22 | 11:36 | 11:37 | 11:52 | 12:07 | 12:06 | 12:22 | 12:36 | 12:37 | 12:52 | 13:07 | 13:06 | 13:22 | 13:37 | 13:36 | 13:52 | 14:07 | 14:06 | 14:22 | 14:36 | 14:37 | 14:54 | 15:09 | 15:06 | 15:24 | 15:34 | 15:45 | 16:07 | 16:04 | 16:25 | 16:34 | 16:45 | 16:59 | 17:19 | 17:39 | 17:34 | 17:59 | 18:17 | 18:33 | 18:37 | 18:55 | 19:15 | 19:35 | 19:31 | 20:00 | 20:30 | 20:31 | 21:00 | 21:31 | 21:30 | 22:00 | 22:30 | 22:31 |
| St Peter's Street (Stop 5) | 05:17 | 06:02 | 06:23 | 06:41 | 06:56 | 06:50 | 07:15 | 07:40 | 08:03 | 08:08 | 07:50 | 08:27 | 08:32 | 08:45 | 08:50 | 08:20 | 09:06 | 09:16 | 08:50 | 09:22 | 09:39 | 09:20 | 09:48 | 09:50 | 10:04 | 09:53 | 10:18 | 10:17 | 10:33 | 10:48 | 10:47 | 11:03 | 11:18 | 11:17 | 11:33 | 11:47 | 11:48 | 12:03 | 12:18 | 12:17 | 12:33 | 12:47 | 12:48 | 13:03 | 13:18 | 13:17 | 13:33 | 13:48 | 13:47 | 14:03 | 14:18 | 14:17 | 14:33 | 14:47 | 14:51 | 15:08 | 15:31 | 15:17 | 15:46 | 15:43 | 16:08 | 16:23 | 16:13 | 16:41 | 16:41 | 17:00 | 17:14 | 17:32 | 17:52 | 17:44 | 18:12 | 18:30 | 18:42 | 18:49 | 19:07 | 19:27 | 19:42 | 19:39 | 20:07 | 20:37 | 20:39 | 21:07 | 21:39 | 21:37 | 22:07 | 22:37 | 22:39 |
| St Albans Abbey Railway Station (Stop A) | 05:19 | 06:05 | 06:26 | 06:44 | 06:59 | 06:53 | 07:18 | 07:43 | 08:07 | 08:12 | 07:53 | 08:31 | 08:36 | 08:49 | 08:54 | 08:23 | 09:09 | 09:19 | 08:53 | 09:25 | 09:43 | 09:23 | 09:52 | 09:53 | 10:08 | 09:57 | 10:22 | 10:21 | 10:37 | 10:52 | 10:51 | 11:07 | 11:22 | 11:21 | 11:37 | 11:51 | 11:52 | 12:07 | 12:22 | 12:21 | 12:37 | 12:51 | 12:52 | 13:07 | 13:22 | 13:21 | 13:37 | 13:52 | 13:51 | 14:07 | 14:22 | 14:21 | 14:38 | 14:51 | 14:56 | 15:14 | 15:36 | 15:21 | 15:51 | 15:47 | 16:13 | 16:28 | 16:17 | 16:46 | 16:45 | 17:05 | 17:19 | 17:36 | 17:56 | 17:48 | 18:16 | 18:34 | 18:46 | · | 19:10 | · | 19:45 | 19:42 | 20:10 | 20:40 | 20:42 | 21:10 | 21:42 | · | 22:10 | · | · |
| Ragged Hall Lane (opp) | 05:23 | 06:10 | 06:31 | 06:49 | 07:05 | 06:59 | 07:24 | 07:49 | 08:14 | 08:19 | 07:59 | 08:38 | 08:42 | 08:55 | 09:00 | 08:29 | 09:15 | 09:25 | 08:59 | 09:32 | 09:50 | 09:29 | 09:59 | 09:59 | 10:15 | 10:04 | 10:29 | 10:29 | 10:44 | 10:59 | 10:59 | 11:14 | 11:29 | 11:29 | 11:44 | 11:59 | 11:59 | 12:14 | 12:29 | 12:29 | 12:44 | 12:59 | 12:59 | 13:14 | 13:29 | 13:29 | 13:44 | 13:59 | 13:59 | 14:14 | 14:29 | 14:29 | 14:46 | 14:58 | 15:04 | 15:25 | 15:45 | 15:28 | 16:00 | 15:54 | 16:22 | 16:37 | 16:24 | 16:54 | 16:51 | 17:13 | 17:27 | 17:44 | 18:04 | 17:54 | 18:23 | 18:40 | 18:52 | · | 19:16 | · | 19:50 | 19:47 | 20:15 | 20:45 | 20:47 | 21:15 | 21:47 | · | 22:15 | · | · |
| Bucknalls Lane (nr) | 05:32 | 06:22 | 06:43 | 07:01 | 07:21 | 07:08 | 07:40 | 08:09 | 08:32 | 08:37 | 08:08 | 08:52 | 08:58 | 09:08 | 09:13 | 08:38 | 09:28 | 09:38 | 09:08 | 09:42 | 10:00 | 09:38 | 10:09 | 10:07 | 10:25 | 10:14 | 10:39 | 10:39 | 10:54 | 11:09 | 11:09 | 11:24 | 11:39 | 11:39 | 11:54 | 12:09 | 12:09 | 12:24 | 12:39 | 12:39 | 12:54 | 13:09 | 13:09 | 13:24 | 13:39 | 13:39 | 13:54 | 14:09 | 14:09 | 14:24 | 14:39 | 14:39 | 14:58 | 15:09 | 15:18 | 15:39 | 16:00 | 15:39 | 16:15 | 16:04 | 16:37 | 16:52 | 16:34 | 17:09 | 17:01 | 17:27 | 17:41 | 17:58 | 18:17 | 18:04 | 18:36 | 18:51 | 19:02 | · | 19:26 | · | 19:58 | 19:55 | 20:23 | 20:53 | 20:55 | 21:23 | 21:55 | · | 22:23 | · | · |
| Library (nr) | 05:40 | 06:33 | 06:54 | 07:14 | 07:34 | 07:16 | 07:56 | 08:26 | 08:49 | 08:54 | 08:16 | 09:06 | 09:15 | 09:21 | 09:26 | 08:46 | 09:41 | 09:48 | 09:16 | 09:52 | 10:10 | 09:46 | 10:19 | 10:17 | 10:35 | 10:24 | 10:49 | 10:49 | 11:04 | 11:19 | 11:19 | 11:34 | 11:49 | 11:49 | 12:04 | 12:19 | 12:19 | 12:34 | 12:49 | 12:49 | 13:04 | 13:19 | 13:19 | 13:34 | 13:49 | 13:49 | 14:04 | 14:19 | 14:19 | 14:34 | 14:50 | 14:49 | 15:09 | 15:19 | 15:31 | 15:53 | 16:12 | 15:49 | 16:27 | 16:13 | 16:49 | 17:04 | 16:43 | 17:20 | 17:10 | 17:38 | 17:52 | 18:09 | 18:27 | 18:12 | 18:45 | 19:00 | 19:09 | · | 19:34 | · | 20:05 | 20:02 | 20:30 | 21:00 | 21:02 | 21:30 | 22:02 | · | 22:30 | · | · |
| Watford Junction Railway Station (Stop 2) | 05:46 | 06:42 | 07:03 | 07:25 | 07:47 | 07:24 | 08:09 | 08:40 | 09:00 | 09:06 | 08:24 | 09:17 | 09:26 | 09:32 | 09:37 | 08:54 | 09:52 | 09:59 | 09:24 | 10:03 | 10:21 | 09:54 | 10:30 | 10:27 | 10:46 | 10:35 | 11:00 | 10:59 | 11:15 | 11:30 | 11:29 | 11:45 | 12:00 | 11:59 | 12:15 | 12:29 | 12:30 | 12:45 | 13:00 | 12:59 | 13:15 | 13:29 | 13:30 | 13:45 | 14:00 | 13:59 | 14:15 | 14:30 | 14:29 | 14:45 | 15:01 | 14:59 | 15:20 | 15:29 | 15:42 | 16:04 | 16:24 | 15:59 | 16:39 | 16:23 | 17:01 | 17:16 | 16:52 | 17:32 | 17:19 | 17:50 | 18:04 | 18:20 | 18:38 | 18:21 | 18:56 | 19:11 | 19:18 | · | 19:41 | · | 20:13 | 20:11 | 20:38 | 21:08 | 21:11 | 21:38 | 22:11 | · | 22:38 | · | · |
| Beechen Grove (Stop M) | 05:49 | 06:46 | 07:07 | 07:29 | 07:51 | 07:29 | 08:14 | 08:45 | 09:05 | 09:11 | 08:29 | 09:22 | 09:31 | 09:36 | 09:41 | 08:59 | 09:56 | 10:03 | 09:29 | 10:07 | 10:25 | 09:59 | 10:34 | 10:31 | 10:50 | 10:39 | 11:04 | 11:03 | 11:19 | 11:34 | 11:33 | 11:49 | 12:04 | 12:03 | 12:19 | 12:33 | 12:34 | 12:49 | 13:04 | 13:03 | 13:19 | 13:33 | 13:34 | 13:49 | 14:04 | 14:03 | 14:19 | 14:35 | 14:33 | 14:50 | 15:06 | 15:03 | 15:25 | 15:33 | 15:47 | 16:09 | 16:29 | 16:03 | 16:44 | 16:27 | 17:06 | 17:21 | 16:56 | 17:37 | 17:23 | 17:55 | 18:09 | 18:25 | 18:43 | 18:25 | 19:01 | 19:16 | 19:21 | · | 19:45 | · | 20:17 | 20:14 | 20:42 | 21:12 | 21:14 | 21:42 | 22:14 | · | 22:42 | · | · |
| Watford Hospital Car Park (opp) | 05:57 | 06:55 | 07:17 | 07:39 | 08:01 | 07:39 | 08:24 | · | · | · | 08:39 | · | · | · | · | 09:09 | · | · | 09:39 | 10:18 | 10:36 | 10:08 | 10:45 | 10:43 | 11:01 | 10:50 | 11:15 | 11:16 | 11:30 | 11:45 | 11:46 | 12:00 | 12:15 | 12:16 | 12:30 | 12:46 | 12:45 | 13:00 | 13:15 | 13:16 | 13:30 | 13:46 | 13:45 | 14:00 | 14:15 | 14:16 | 14:30 | 14:46 | 14:46 | 15:01 | 15:17 | 15:16 | 15:36 | 15:46 | 15:59 | 16:21 | 16:41 | 16:16 | 16:56 | 16:42 | 17:18 | 17:33 | 17:09 | 17:50 | 17:33 | · | 18:20 | 18:36 | 18:53 | 18:35 | · | 19:26 | 19:29 | · | 19:53 | · | 20:25 | 20:22 | 20:50 | 21:20 | 21:22 | 21:50 | 22:22 | · | 22:50 | · | · |
Route map
All stops on route 321
321 towards Watford Hospital Car Park
- Luton Station Interchange (Stand 9) Luton Town Centre
- Church Street (Stop C9) Luton Town Centre
- Holly Street (adj) New Town
- Tennyson House (o/s) Stockwood
- Ludlow Avenue (adj) Stockwood
- Stockwood Park Entrance (opp) Stockwood
- Bull Wood (o/s) Pepperstock
- Newlands Road (opp) Pepperstock
- Luton Hoo Hotel (nr) Kinsbourne Green
- Gibraltar Farm (opp) Kinsbourne Green
- West Hyde Road (adj) Kinsbourne Green
- The Fox PH (opp) Kinsbourne Green
- The Common (opp) Kinsbourne Green
- Farm Avenue (opp) Harpenden
- Ridgewood Drive (opp) Harpenden
- Roundwood Lane (opp) Harpenden
- Park Mount (opp) Harpenden
- Clarence Road (nr) Harpenden
- Old Rectory Close (opp) Harpenden
- Old Cock Inn (opp) Harpenden
- The George PH (Stop D) Harpenden
- Harpenden House Hotel (nr) Harpenden
- Crabtree Lane (adj) Harpenden
- The Plough and Harrow PH (o/s) Harpenden
- Queens Road (opp) Harpenden
- St Albans Road (SW-bound) Hatching Green
- West Common Way (opp) Hatching Green
- Cross Lane (nr) Hatching Green
- Ayres End Lane (nr) Harpenden
- Childwickbury (S-bound) Harpenden
- Hawkswick Lodge Farm (opp) St Albans
- Hawkswick (opp) St Albans
- Texaco Garage (nr) New Greens
- St Albans Girls' School (nr) New Greens
- The Ancient Briton (nr) New Greens
- Heath Farm Lane (nr) Bernards Heath
- Chime Square (opp) St Albans
- St Peter's Street (Stop 5) St Albans
- Town Hall (opp) St Albans
- Abbey (opp) St Albans
- Belmont Hill (nr) St Albans
- St Albans Abbey Railway Station (Stop A) St Albans
- King Harry PH (opp) St Stephens
- Midway (opp) St Stephens
- Ragged Hall Lane (opp) Chiswell Green
- West Avenue (nr) Chiswell Green
- Three Hammers PH (opp) Chiswell Green
- Driftwood Avenue (adj) Chiswell Green
- Long Fallow (opp) Chiswell Green
- Lye Lane (nr) Chiswell Green
- Oakwood Road (adj) Bricket Wood
- Black Boy PH (nr) Bricket Wood
- Bucknalls Lane (nr) Garston
- Three Horseshoes PH East (opp) Garston
- Park Parade (nr) Garston
- Rochester Drive (opp) Garston
- First Avenue (nr) Garston
- Cow Lane (nr) Garston
- Library (nr) North Watford
- Bushey Mill Lane (nr) North Watford
- Buckingham Road (nr) North Watford
- Windsor Road (nr) North Watford
- Regent Street (opp) North Watford
- Brixton Road (nr) North Watford
- Railway Bridge (S-bound) Watford
- Watford Junction Railway Station (Stop 2) Watford
- St John's Road (S-bound) Watford
- Beechen Grove (Stop M) Watford
- Water Lane (Stop P) Watford
- Watford High Street Railway Station (Stop B) Watford
- Tesco (nr) Watford
- Waterfields Way (nr) Watford
- Watford Hospital Car Park (opp) Watford
321 towards Luton Station Interchange
- Watford Hospital Car Park (opp) Watford
- Dalton Way (NE-bound) Watford
- Watford High Street Railway Station (Stop A) Watford
- King Street (Stop T) Watford
- Market Street (Stop J) Watford
- Clarendon Road (Stop S) Watford
- St John's Road (N-bound) Watford
- Watford Junction Railway Station (Stop 5) Watford
- Railway Bridge (N-bound) Watford
- Regent Street (adj) North Watford
- Windsor Road (opp) North Watford
- Buckingham Road (opp) North Watford
- Bushey Mill Lane (opp) North Watford
- Library (opp) North Watford
- Holland Gardens (nr) Garston
- First Avenue (opp) Garston
- Rochester Drive (nr) Garston
- Garston Drive (nr) Garston
- Premier Inn (adj) Garston
- Three Horseshoes PH East (nr) Garston
- Bucknalls Lane (opp) Garston
- Black Boy PH (opp) Bricket Wood
- Oakwood Road (opp) Bricket Wood
- Lye Lane (opp) Chiswell Green
- Long Fallow (nr) Chiswell Green
- Driftwood Avenue (opp) Chiswell Green
- Three Hammers PH (nr) Chiswell Green
- West Avenue (opp) Chiswell Green
- Ragged Hall Lane (adj) Chiswell Green
- Midway (nr) St Stephens
- King Harry PH (nr) St Stephens
- St Albans Abbey Railway Station (Stop B) St Albans
- Belmont Hill (opp) St Albans
- Abbey (nr) St Albans
- Town Hall (nr) St Albans
- St Peter's Street (Stop 10) St Albans
- Chime Square (nr) St Albans
- Heath Farm Lane (opp) Bernards Heath
- The Ancient Briton (opp) New Greens
- St Albans Girls' School (opp) New Greens
- Texaco Garage (opp) New Greens
- Hawkswick (nr) St Albans
- Hawkswick Lodge Farm (nr) St Albans
- Childwickbury (N-bound) Harpenden
- Ayres End Lane (opp) Harpenden
- Cross Lane (opp) Hatching Green
- West Common Way (nr) Hatching Green
- St Albans Road (NE-bound) Hatching Green
- Queens Road (adj) Harpenden
- The Plough and Harrow PH (opp) Harpenden
- Crabtree Lane (opp) Harpenden
- Harpenden House Hotel (opp) Harpenden
- The George PH (Stop C) Harpenden
- Old Cock Inn (o/s) Harpenden
- Old Rectory Close (adj) Harpenden
- Douglas Road (nr) Harpenden
- Park Mount (nr) Harpenden
- Roundwood Lane (nr) Harpenden
- Ridgewood Drive (nr) Harpenden
- Farm Avenue (nr) Harpenden
- The Common (adj) Kinsbourne Green
- The Fox PH (nr) Kinsbourne Green
- West Hyde Road (opp) Kinsbourne Green
- Gibraltar Farm (adj) Kinsbourne Green
- Luton Hoo Hotel (opp) Kinsbourne Green
- Bull Wood (opp) Pepperstock
- Newlands Road (adj) Pepperstock
- Stockwood Park Entrance (o/s) Stockwood
- The Mount (opp) Stockwood
- Whitehill Avenue (adj) Stockwood
- Holly Street (opp) New Town
- Church Street (Stop C3) Luton Town Centre
- Luton Station Interchange (Stand 9) Luton Town Centre
Service history & registered changes
- ✏️ Changed effective 30 Aug 2026 Luton → Watford
- 🆕 Registered effective 31 May 2026 Operating between Luton and Watford given service number 321 effective from 31 May 2026. To amend Timetable.
- 🆕 Registered effective 31 Aug 2025 Operating between Luton and Watford given service number 321 effective from 31 August 2025. To amend Timetable.
From official Traffic Commissioner registrations. All service changes →
Towns & areas on this route
Frequently asked questions
What time is the first 321 bus?
The first 321 departure on weekdays leaves at 04:40 (check the full timetable below for your stop, as times vary along the route — weekend times can differ).
What time is the last 321 bus?
The last 321 on weekdays leaves its first stop at 22:57. Always check the timetable for your specific stop — later stops are reached after this time.
How much does the 321 bus cost?
Most single fares in England are capped at £3 until 31 December 2026 (then £2 from 1 January 2027). Arriva Beds and Bucks day and weekly tickets can work out cheaper if you travel more than twice a day.
Who runs the 321 bus?
The 321 is operated by Arriva Beds and Bucks.
Timetable data from the operator via the DfT Bus Open Data Service. Check before you travel — services can change at short notice.