| First train | 05:32 | |
|---|---|---|
| Last train | 01:39 | |
| Departure station | London Underground Zone 1-4 | |
| Arrival station | Hemel Hempstead | |
| Journey time | From 23m | |
| Frequency | 34 trains per day | |
| Changes | 1 change |
For more money-saving tips on UK and European train travel, read our cheap train tickets guide.