Intalink Hertfordshire Route RA3
Bus timetable and route map · Monday to Friday, Saturday and Sunday
Intalink Hertfordshire Route RA3 is a bus route in Hertfordshire, serving Heathrow Airport Terminal 2, Heathrow Terminal 3 Stops 7-8, Watford The Avenue Town Hall Stop Y, Watford Hempstead Rd Town Hall Stop W and Watford Hempstead Rd Grove Mill Lane. Monday to Friday the first bus is at 04:07 and the last at 23:34, every 1 h during the day. Updated 4 October 2026.
Timetable summary
Monday to Friday
- First
- 04:07
- Last
- 23:34
- Buses
- 40
- Daytime
- every 1 h
Saturday and Sunday
- First
- 04:07
- Last
- 23:34
- Buses
- 40
- Daytime
- every 1 h
Route RA3 to Watford Junction Railway Station
Destination sign “Watford Junction Railway Station” · from Heathrow Airport Terminal 2 · 6 stops
Monday to Friday
Times at the main stops. 24-hour clock. A dot means that trip does not stop there.
| Heathrow Airport Terminal 2 | Heathrow Terminal 3 Stops 7-8 | Watford Hempstead Rd opp Grove Mill Lane | Watford Hempstead Rd Wentworth Close | Watford The Avenue Town Hall Stop Y | Watford Junction Railway Station |
|---|---|---|---|---|---|
| 04:40 | 04:50 | 05:19 | 05:19 | 05:21 | 05:25 |
| 05:45 | 05:55 | 06:24 | 06:24 | 06:26 | 06:30 |
| 06:44 | 06:55 | 07:28 | 07:28 | 07:30 | 07:34 |
| 07:44 | 07:55 | 08:32 | 08:33 | 08:35 | 08:39 |
| 08:44 | 08:55 | 09:31 | 09:32 | 09:34 | 09:38 |
| 09:49 | 10:00 | 10:36 | 10:37 | 10:39 | 10:43 |
| 10:49 | 11:00 | 11:38 | 11:39 | 11:41 | 11:45 |
| 11:49 | 12:00 | 12:39 | 12:40 | 12:42 | 12:46 |
| 12:49 | 13:00 | 13:39 | 13:40 | 13:42 | 13:46 |
| 13:49 | 14:00 | 14:39 | 14:40 | 14:42 | 14:46 |
| 14:49 | 15:00 | 15:39 | 15:40 | 15:42 | 15:46 |
| 15:49 | 16:00 | 16:39 | 16:40 | 16:42 | 16:46 |
| 16:59 | 17:10 | 17:49 | 17:50 | 17:52 | 17:56 |
| 17:59 | 18:10 | 18:49 | 18:50 | 18:52 | 18:56 |
| 18:59 | 19:10 | 19:49 | 19:50 | 19:52 | 19:56 |
| 19:59 | 20:10 | 20:44 | 20:45 | 20:47 | 20:51 |
| 20:59 | 21:10 | 21:41 | 21:41 | 21:43 | 21:47 |
| 21:49 | 22:00 | 22:31 | 22:31 | 22:33 | 22:37 |
| 22:44 | 22:55 | 23:26 | 23:26 | 23:28 | 23:32 |
| 23:34 | 23:45 | 00:16 | 00:16 | 00:18 | 00:22 |
Saturday and Sunday
Times at the main stops. 24-hour clock. A dot means that trip does not stop there.
| Heathrow Airport Terminal 2 | Heathrow Terminal 3 Stops 7-8 | Watford Hempstead Rd opp Grove Mill Lane | Watford Hempstead Rd Wentworth Close | Watford The Avenue Town Hall Stop Y | Watford Junction Railway Station |
|---|---|---|---|---|---|
| 04:40 | 04:50 | 05:19 | 05:19 | 05:21 | 05:25 |
| 05:45 | 05:55 | 06:24 | 06:24 | 06:26 | 06:30 |
| 06:44 | 06:55 | 07:28 | 07:28 | 07:30 | 07:34 |
| 07:44 | 07:55 | 08:29 | 08:30 | 08:32 | 08:36 |
| 08:44 | 08:55 | 09:31 | 09:32 | 09:34 | 09:38 |
| 09:49 | 10:00 | 10:36 | 10:37 | 10:39 | 10:43 |
| 10:49 | 11:00 | 11:37 | 11:38 | 11:40 | 11:44 |
| 11:49 | 12:00 | 12:37 | 12:38 | 12:40 | 12:44 |
| 12:49 | 13:00 | 13:37 | 13:38 | 13:40 | 13:44 |
| 13:49 | 14:00 | 14:37 | 14:38 | 14:40 | 14:44 |
| 14:49 | 15:00 | 15:37 | 15:38 | 15:40 | 15:44 |
| 15:49 | 16:00 | 16:37 | 16:38 | 16:40 | 16:44 |
| 16:49 | 17:00 | 17:35 | 17:36 | 17:38 | 17:42 |
| 17:59 | 18:10 | 18:43 | 18:44 | 18:46 | 18:50 |
| 18:59 | 19:10 | 19:42 | 19:42 | 19:44 | 19:48 |
| 19:59 | 20:10 | 20:41 | 20:41 | 20:43 | 20:47 |
| 20:59 | 21:10 | 21:41 | 21:41 | 21:43 | 21:47 |
| 21:49 | 22:00 | 22:31 | 22:31 | 22:33 | 22:37 |
| 22:44 | 22:55 | 23:26 | 23:26 | 23:28 | 23:32 |
| 23:34 | 23:45 | 00:16 | 00:16 | 00:18 | 00:22 |
All 6 stops in this direction
- Heathrow Airport Terminal 2 #490020201WH
- Heathrow Terminal 3 Stops 7-8 #490008026YZ
- Watford Hempstead Rd opp Grove Mill Lane #210021901340
- Watford Hempstead Rd Wentworth Close #210021901390
- Watford The Avenue Town Hall Stop Y #210021901500
- Watford Junction Railway Station #210021903897
Route RA3 to Heathrow Terminal 3 Stops 7-8
Destination sign “Heathrow Terminal 3 Stops 7-8” · from Watford Junction Railway Stn Stop 2 · 6 stops
Monday to Friday
Times at the main stops. 24-hour clock. A dot means that trip does not stop there.
| Watford Junction Railway Stn Stop 2 | Watford Hempstead Rd Town Hall Stop W | Watford Hempstead Rd opp Wentworth Close | Watford Hempstead Rd Grove Mill Lane | Heathrow Airport Terminal 2 | Heathrow Terminal 3 Stops 7-8 |
|---|---|---|---|---|---|
| 04:07 | 04:10 | 04:11 | 04:12 | 04:38 | 04:45 |
| 05:12 | 05:15 | 05:16 | 05:17 | 05:43 | 05:50 |
| 05:53 | 05:57 | 05:59 | 06:00 | 06:42 | 06:49 |
| 06:45 | 06:49 | 06:51 | 06:53 | 07:42 | 07:49 |
| 07:45 | 07:50 | 07:52 | 07:54 | 08:42 | 08:49 |
| 08:52 | 08:57 | 08:59 | 09:01 | 09:47 | 09:54 |
| 09:56 | 10:01 | 10:03 | 10:04 | 10:47 | 10:54 |
| 10:59 | 11:03 | 11:05 | 11:06 | 11:47 | 11:54 |
| 11:59 | 12:03 | 12:05 | 12:06 | 12:47 | 12:54 |
| 12:59 | 13:03 | 13:05 | 13:06 | 13:47 | 13:54 |
| 13:59 | 14:03 | 14:05 | 14:06 | 14:47 | 14:54 |
| 14:57 | 15:02 | 15:04 | 15:05 | 15:47 | 15:54 |
| 16:04 | 16:09 | 16:11 | 16:12 | 16:57 | 17:04 |
| 17:04 | 17:09 | 17:11 | 17:12 | 17:57 | 18:04 |
| 18:04 | 18:09 | 18:11 | 18:12 | 18:57 | 19:04 |
| 19:13 | 19:17 | 19:19 | 19:20 | 19:57 | 20:04 |
| 20:21 | 20:25 | 20:26 | 20:27 | 20:57 | 21:04 |
| 21:13 | 21:16 | 21:17 | 21:18 | 21:47 | 21:54 |
| 22:08 | 22:11 | 22:12 | 22:13 | 22:42 | 22:49 |
| 22:58 | 23:01 | 23:02 | 23:03 | 23:32 | 23:39 |
Saturday and Sunday
Times at the main stops. 24-hour clock. A dot means that trip does not stop there.
| Watford Junction Railway Stn Stop 2 | Watford Hempstead Rd Town Hall Stop W | Watford Hempstead Rd opp Wentworth Close | Watford Hempstead Rd Grove Mill Lane | Heathrow Airport Terminal 2 | Heathrow Terminal 3 Stops 7-8 |
|---|---|---|---|---|---|
| 04:07 | 04:10 | 04:11 | 04:12 | 04:38 | 04:45 |
| 05:12 | 05:15 | 05:16 | 05:17 | 05:43 | 05:50 |
| 06:04 | 06:07 | 06:08 | 06:09 | 06:42 | 06:49 |
| 07:02 | 07:05 | 07:07 | 07:08 | 07:42 | 07:49 |
| 07:59 | 08:03 | 08:05 | 08:06 | 08:42 | 08:49 |
| 09:04 | 09:08 | 09:10 | 09:11 | 09:47 | 09:54 |
| 10:02 | 10:07 | 10:09 | 10:10 | 10:47 | 10:54 |
| 11:02 | 11:07 | 11:09 | 11:10 | 11:47 | 11:54 |
| 12:02 | 12:07 | 12:09 | 12:10 | 12:47 | 12:54 |
| 13:02 | 13:07 | 13:09 | 13:10 | 13:47 | 13:54 |
| 14:02 | 14:07 | 14:09 | 14:10 | 14:47 | 14:54 |
| 15:02 | 15:07 | 15:09 | 15:10 | 15:47 | 15:54 |
| 16:05 | 16:10 | 16:12 | 16:13 | 16:47 | 16:54 |
| 17:15 | 17:20 | 17:22 | 17:23 | 17:57 | 18:04 |
| 18:15 | 18:20 | 18:22 | 18:23 | 18:57 | 19:04 |
| 19:20 | 19:24 | 19:25 | 19:26 | 19:57 | 20:04 |
| 20:21 | 20:25 | 20:26 | 20:27 | 20:57 | 21:04 |
| 21:13 | 21:16 | 21:17 | 21:18 | 21:47 | 21:54 |
| 22:08 | 22:11 | 22:12 | 22:13 | 22:42 | 22:49 |
| 22:58 | 23:01 | 23:02 | 23:03 | 23:32 | 23:39 |
All 6 stops in this direction
- Watford Junction Railway Stn Stop 2 #210021903894
- Watford Hempstead Rd Town Hall Stop W #210021903960
- Watford Hempstead Rd opp Wentworth Close #210021904060
- Watford Hempstead Rd Grove Mill Lane #210021904120
- Heathrow Airport Terminal 2 #490020201WH
- Heathrow Terminal 3 Stops 7-8 #490008026YZ
Route RA3 route map
Questions about Intalink Hertfordshire Route RA3
What time is the first Route RA3 bus?
Monday to Friday: 04:07. Saturday and Sunday: 04:07.
What time is the last Route RA3 bus?
Monday to Friday: 23:34. Saturday and Sunday: 23:34. A time after midnight belongs to the evening before.
How often does Route RA3 run?
Monday to Friday: every 1 h. Saturday and Sunday: every 1 h, between 07:00 and 19:00.
Does Route RA3 run at weekends?
Saturday: yes. Sunday: yes.
Where does Route RA3 go?
Route RA3 serves Heathrow Airport Terminal 2, Heathrow Terminal 3 Stops 7-8, Watford The Avenue Town Hall Stop Y, Watford Hempstead Rd Town Hall Stop W and Watford Hempstead Rd Grove Mill Lane. The full list of stops for each direction is below the timetables.
Are these live bus times?
No. They are the published timetable from Intalink Hertfordshire’s open data, refreshed 4 October 2026. A bus can run early or late, and disruptions are not shown.
Source: Intalink Hertfordshire open data (GTFS schedule for Intalink Hertfordshire), used under the Open Government Licence v3.0. Refreshed 4 October 2026. These are scheduled times; disruptions and service alerts are published by the operator. Contains public sector information licensed under the Open Government Licence v3.0. Changes made: times reformatted into timetables and departure lists.