| First train | 02:48 | |
|---|---|---|
| Last train | 00:32 | |
| Departure station | Hatfield (Herts) | |
| Arrival station | London Underground Zone 1 | |
| Journey time | From 15m | |
| Frequency | 65 trains per day | |
| Changes | 1 change | |
| Train operators |
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